Use U.S. Census records for demographic, social, and economic information. Search by topic or explore data.

Search census data by subject and view data profiles, maps, and visualizations.

Includes historic information of the agency as well as the surveys and censuses over the years. Provides links to historic census questionnaires and records.

Access fact sheets, data files, publications available for each decennial census

This program maintains partnerships between federal statistical agencies and research institutions. See "Federal Partners" for links to agencies and "Research Data Centers" for links to all locations.

IPUMS provides census and survey data from around the world integrated across time and space.

The National Historical Geographic Information System (NHGIS) provides free access to historical Census information. Requires user registration, but registration is free and immediate.

For raw data from 1790 to 1970, historical Census information can be downloaded from the Inter-University Consortium for Political and Social Research (ICPSR).