Special Collections and Archives has Federal Census records for 1820-1880 and 1900-1930, available on microfilm or CD, for the 11 counties in the department's service area:
Indexes to Federal Census Records for the state of Ohio from 1820-1880 and 1900-1920 are also available to use in the reading room.
The Federal Census Records for 1810 and 1890 were destroyed by fire.
Nationwide federal census records can also be accessed from any on-campus computer through the Ancestry Library Edition database. Nationwide census data is also accessible through the free genealogy site FamilySearch.