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Blog Category: Application Programming Interface (API)

New Online Tool Gives Public Wider Access to Key U.S. Statistics

U.S. Census Bureau logo

Census API lets developers create custom apps, reach new users

Commerce's U.S. Census Bureau has released a new online service that makes key demographic, socio-economic and housing statistics more accessible than ever before. The Census Bureau’s first-ever public Application Programming Interface (API) allows developers to design Web and mobile apps to explore or learn more about America's changing population and economy.

The new API lets developers customize Census Bureau statistics into Web or mobile apps that provide users quick and easy access from two popular sets of statistics:

  • 2010 Census (Summary File 1), which includes detailed statistics on population, age, sex, race, Hispanic origin, household relationship and owner/renter status, for a variety of geographic areas down to the level of census tracts and blocks.
  • 2006-2010 American Community Survey (five-year estimates), which includes detailed statistics on a rich assortment of topics (education, income, employment, commuting, occupation, housing characteristics and more) down to the level of census tracts and block groups.

The 2010 Census and the American Community Survey statistics provide key information on the nation, neighborhoods and areas in between. By providing annual updates on population changes the survey helps communities plan for schools, social and emergency services, highway improvements and economic developments.  Census press release