National Archives and Records Administration Online Information
www.nara.gov/genealogy/genindex.html#online
Includes clues to look for in each census year.

Census Research Forms
www.familytreemagazine.com/forms/download.html
Free forms, customized by census year, for recording census information.

Historical United States Census Data Browser
fisher.lib.virginia.edu/census/
Compile your own census data.

US Census Bureau
www.census.gov/ftp/pub/genealogy/www/
The official site for the US Census; no historical census data, however.

USGenWeb's Census Project
www.us-census.org
The ambitious goal on this volunteer site is to transcribe the entire federal census and make it freely available on the Internet.

Census Links
censuslinks.com
Thousands of links to transcribed census records.

Secrets of the Census
www.genealogy.com/genealogy/13_secrt.html
Article on census basics.

Every Ten Years
www.genealogy.com/genealogy/13_every.html
Find out what was asked on each of the federal censuses.

Guides to Federal Census
www.familysearch.org/Eng/Search/RG/frameset_rhelps.asp
Several census-related research guides.