- CensusScope
- Consumer Expenditures
- FedStats
- Illinois Data [NIBIDC]
- Measure of America
- Population Reference Bureau
- Social Sciences Data Services, University of California - San Diego
- Social Statistics Briefing Room
- Statistical Resources on the Web: Sociology
- UNdata
- U.S. Census Bureau
- U.S. Historical Census Data
- U.S. Statistical Abstract
- Family Facts: Social Science Research on Family, Society & Religion
- Kearl's Guide to the Sociology of the Family