U.S. CENSUS DATA FOR SOCIAL, ECONOMIC,
AND HEALTH RESEARCH

IPUMS USA collects, preserves and harmonizes U.S. census microdata and provides easy access to this data with enhanced documentation. Data includes decennial censuses from 1790 to 2010 and American Community Surveys (ACS) from 2000 to the present.

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IPUMS provides census and survey data from around the world integrated across time and space. IPUMS integration and documentation makes it easy to study change, conduct comparative research, merge information across data types, and analyze individuals within family and community context. Data and services available free of charge.

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  • 2018 occupation/industry codes
  • 2018 5-Year data
  • 2018 ACS/PRCS, new geography variables
  • 1860 and 1870 100% data
  • Urban Transition Historical Project GIS codes for 1880 100% data

Other IPUMS Data

  • Complete Count Data
  • Linked Samples from 1850-1930
  • 1850-1860 Slave Samples
  • 1790-1840 Full Count Data
  • Federal Statistical Research Data Centers

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  • usa
  • cps
  • international
  • global health
  • nhgis
  • terra
  • time use
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  • higher ed