Comparisons of data from year to year may therefore vary in feasibility. The Census Bureau publishes many different types of information. The State Library has all decennial and non-decennial census publications since 1790 in print or microfiche. It also has census maps showing tracts, blocks, metropolitan areas, congressional districts and school districts. Census material is available at the State Library in print, microfiche, CD-ROM, data tape formats, as well as through the Internet.
Reference librarians can assist in accessing census data online as well.
Aids Many census publications can be located through the Library's online catalog . The tools listed below are also useful in locating census information, and reference librarians will provide assistance. The New York State Data Center of the Department of Economic Development, the State's lead agency with the Census Bureau, has all the computer tape file information for New York State since 1980. Reference staff members can make referrals to the State Data Center, access the Census Bureau's electronic bulletin board, and search online Census Bureau data.