Before revision: Description IPUMS includes all persons enumerated in the United States Censuses from 1790 to 2020 ( the 1890 census is missing because it was destroyed in a fire) and from the American Community Survey since 2000 and the Current Population Survey since 1962.
After revision: Description IPUMS includes all persons enumerated in the United States Censuses from 1850though, to 2020 ( the 1890 census is missing because it was destroyed in a fire) and from the American Community Survey since 2000 and the Current Population Survey since 1962.