The Orlando Public Library Genealogy Department collection includes microfilm of all available U.S. Federal Census from 1790 to 1930 and printed census indexes.
Some historic statistical data is available in the UCF Library for all decennial census years, 1790 to the present. The statistical data does not list the names of individuals and is mostly at the national and state level.
Name indexes are available for 1830, 1840, & 1850
in the UCF Library Reference Collection
-- Reference F 310 .J3.