Try these Web sites for help using the census:
National Archives and Records Administration Online Information
Includes clues to look for in each census year.
Census Research Forms
Free forms, customized by census year, for recording census information.
Historical United States Census Data Browser
Compile your own census data.
US Census Bureau
The official site for the US Census; no historical census data, however.
USGenWeb’s Census Project
The ambitious goal on this volunteer site is to transcribe the entire federal census and make it freely available on the Internet.
Thousands of links to transcribed census records.
Secrets of the Census
Article on census basics.
Every Ten Years
Find out what was asked on each of the federal censuses.
Guides to Federal Census
Several census-related research guides.