The Census is a complete count of all persons living in the United States mandated by the U.S. Constitution. The population is counted every 10 years and the results are used to allocate Congressional seats, electoral votes and government program funding. The most recent census was held in 2010.
Census 2010 Summary File One
Release Date: August 11, 2011
General Profiles (9 pages)
Profile 1: Persons by Race, Age, and Sex; Urban and Rural
Profile 2: Households and Families by Type; Household Relationship by Age
Profile 3: Population Under 20; Relationship by Age (Under 18)
Profile 4: Households and Families by Type, Size, and Age of Household Members
Profile 5: Husband-Wife and Unmarried-Partner Households
Profile 6: Housing Unit, Tenure, Vacancy Type, Household Size, Householder Race/Age
Profile 7: Tenure by Household Type by Age; Non-family Households, No relatives
Profile 8: Group Quarters Population by Sex by Age by Detailed Type
Profile 9: Group Quarters Population by Sex by Detailed Age
Census 2010 Demographic Profiles of Population and Housing Characteristics (2 pages)
Census 2010 Demographic Profiles provide details about race and Hispanic groups, age, sex, households by type and housing occupancy.
Release Date: May 4, 2011