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Map of coverage of the 1800 census.
For more information: Map Guide to the U.S. Federal Censuses, 1790 - 1920 (GovPub Reference HA195 .T46 1987)
Census population schedules (or "name schedules" or "manuscript census") are copies of the original questionnaires collected during each decennial census. They list the individual names and family information of the people enumerated. Unlike the statistics published soon after the census, the population schedules remain confidential for 72 years. 1950 is the most recent population schedule available. Below are links to print and online versions of the population schedules. The library also has selected population schedules available on microfilm.
Need help? Call the Government Publications, Maps, Microforms & Newspapers help desk at (206) 543-4164 during desk hours. You can also consult the Ask Us! reference service (24/7).
"Return of the whole number of persons within the several districts of the United States" features population data by race, condition of servitude, State, county, and town for the 1800 census. Also includes data by sex for free white persons, and by age group for males. UW Government Publications holdings and online access options are listed below.