* using log directory ‘/Users/ripley/R/packages/tests-devel/sociome.Rcheck’
* using R Under development (unstable) (2026-05-19 r90065)
* using platform: aarch64-apple-darwin25.5.0
* R was compiled by
    Apple clang version 21.0.0 (clang-2100.1.1.101)
    GNU Fortran (GCC) 14.2.0
* running under: macOS Tahoe 26.5
* using session charset: UTF-8
* current time: 2026-05-19 13:56:30 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘sociome/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘sociome’ version ‘3.0.0’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘sociome’ can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking examples ... OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘testthat.R’ [1m/90m]
Warning: elapsed-time limit of 1.5 hours reached for sub-process
 [1m/90m] ERROR
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > # This file is part of the standard setup for testthat.
  > # It is recommended that you do not modify it.
  > #
  > # Where should you do additional test configuration?
  > # Learn more about the roles of various files in:
  > # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
  > # * https://testthat.r-lib.org/articles/special-files.html
  > 
  > library(testthat)
  > library(sociome)
  > 
  > test_check("sociome")
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  Getting data from the 2006-2010 5-year ACS
  Error: A Census API key is required for tidycensus requests.
  i Get a Census API key at http://api.census.gov/data/key_signup.html, then pass it
  to a tidycensus function with the `key` argument or store it for future sessions
  with `census_api_key("YOUR KEY", install = TRUE)`.
  Retrying in 1 seconds.
  
  ! Interrupting test: non-zcta ref_area works
  
  Execution halted
* checking PDF version of manual ... OK
* checking HTML version of manual ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 1 ERROR
See
  ‘/Users/ripley/R/packages/tests-devel/sociome.Rcheck/00check.log’
for details.

     5428.94 real       101.16 user         8.36 sys