American FactFinder (U.S. Census)

American Factfinder is the gateway to  the Decennial Census, the American CommunitySurvey, the Census’  Population Estimates Program, the Economic Census, and Annual Economic Surveys.

Factfinder is a massive database that is searchable by topic, geography, population group, and industry and year. Users can modify data tables to focus on specific geographies or data elements. It also has mapping features that enable users to map data.