Data set on state populations, from the 2019 US Census.
state_census
Data frame with 53 rows (including one for the United States as a whole, plus the District of Columbia and the Puerto Rico Commonwealth). Important columns:
Geographic summary level.
Census Region code
Census Division code
State FIPS code
Name of the state
Estimate of the state's resident population in 2019.
Estimate of the state's resident population in 2019 that is over 18 years old.
Estimate of the percent of a state's resident population in 2019 that is over 18.
Postal abbreviation of the state
United States Census Bureau, at https://www2.census.gov/programs-surveys/popest/datasets/2010-2019/counties/totals/co-est2019-alldata.pdf, https://www.census.gov/data/tables/time-series/demo/popest/2010s-total-puerto-rico-municipios.html, and https://www.census.gov/data/tables/2010/dec/2010-island-areas.html