Data Release: U.S. Household-level Full Count Data from 1790-1840


In collaboration with our partners at, the Minnesota Population Center has released new historical census data through IPUMS-USA. Full count data for 1790-1840 is available via IPUMS-USA as household-level and county-level datasets* for each decennial census year and for the combined years, 1790-1840.

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How Historical Data Become Public

1950 Census Bureau employees photographing records from the 1900 census for storage on microfilm. Photo: U.S. Census Bureau

An enormous amount of information about the characteristics and activities of ordinary people is just waiting to make its debut for researchers to analyze — two billion people and their households, spanning over 100 countries, from 1703 to the present day. All these data will be available for computer analysis by the general public, for free, by 2018.

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