U.S. Census Bureau

American Community Survey (ACS)

The American Community Survey covers a broad range of topics about social, economic, demographic, and housing characteristics of the U.S. population. The ACS 5-year (and 1-year) estimates are updated every year, based on the last 5 years (1 year) of collected data. Data Commons includes thousands of variables across the full range of ACS topics at the country, state, county, city, zip code tabulation area, school district, census tract levels, and more.

US Decennial Census - Redistricting data

Basic population, race demographics and housing statistics from the redistricting data release of US Decennial Census mapped down to block-group level. U.S. Census Terms of Service.