Other resources

U.S. Census Bureau

• American Factfinder
• Population estimates
• Population projections
• USA Counties

FedStats

USA.gov - data and statistics

Integrated Public Use Microdata Series (IPUMS)

National Historical Geographic Information System (NHGIS)

Social Explorer

Blogs

• Random Samplings (U.S. Census Bureau)
• U.S. Census Bureau Director
• Data Detectives (New York State Data Center Affiliates)