American Fact Finder
This subset of the Census website is a quick way to find information about your community, county or state.

Census, Bureau of the
The Bureau of the Census website has statistical information on U.S. population, demographics, economics, and geography from 1990 to the present.

Census, Bureau of the Government publications
The first U.S. Census was taken in 1790 and the Schurz library has publications from 1790-to the present.