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Research Guides

Data: Federal Census Data

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American FactFinder

American FactFinder (AFF) is your gateway to most census information.

Surveys in AFF include: 

  • American Community Survey
  • American Housing Survey
  • Annual Surveys of Governments
  • Census of Governments
  • Annual Economic Surveys
  • Decennial Census
  • Economic Census 
  • Equal Employment Opportunity (EEO) Tabulatio
  • Population Estimates Program 
  • Puerto Rico Community Survey

Explore American FactFinder.

Census Race Categories

The Pew Research Center has a wonderful online tool to explore how census race and ethnicity categories have changed over time.

DECENNIAL CENSUS OF POPULATION & HOUSING

ECONOMIC CENSUS

In addition to the online resources, Wellesley owns CD-ROMS from the 1992 and 1997 Economic Censuses, and a print run of the Economic Census from 1948-1992 at Docs HD 9506 - 9724 and Docs HF 3007.

CENSUS OF AGRICULTURE

In addition to the online resources, Wellesley owns CD-ROMS from the 1992 and 1997 Census of Agriculture. We also have a print run of the Census of Agriculture from 1925 - 1992 at Docs HD 1753.

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American Community Survey

The American Community Survey has replaced the decennial census long form. You can access and download data in Excel through American Factfinder, or by downloading the raw data files.