Oswego County censuses from 1855-1930 and US censuses from 1790–1960 are in the microfilm cabinets located in the Reference Storage Room in the basement of the library.
For a selection of censuses in paper from 1970 to current, see the US Documents area on the second floor of the library in the C 3.223 and C 3.224 areas.
To search for cataloged census material in the Penfield Library Catalog, try searching using the following terms combined with the census year you are looking for: