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.
Use it for GOOD -- never for EVIL
What is IPUMS?
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.
IPUMS-USA Data Updates
- 1910 100% data
- New IPUMS family interrelationship variables
- Updates to 2015 ACS/PRCS
- 2015 5-Year data
- 1790-1840 100% Data
- 2015 ACS/PRCS data
- 1920 and 1930 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
