Population, geographic, economic and geographic data from the United States Census Bureau. Use FactFinder 2 (factfinder2.census.gov) for Census 2010.

Gateway to statistics from over 100 U.S. Federal agencies

Statistical Insight indexes statistical data published in federal, state, and selected privately published titles, at the table level. In some cases the fulltext of the document is also available.

The National Data Book. Annual statistics, 1878-present covering population, vital statistics, health and nutrition, education, law enforcement, courts, and prisons, geography and environment, etc. Comparative international statistics are also provided. Also provides bibliographic citations to more detailed sources of statistical information.