From the US Census Bureau; PDF publication of census questionnaires from 1790-2000
American Fact Finder
Quick source for population, housing, economic, and geographic data from 1990 and 2000 decennials and various surveys
Decennial Census of Population and Housing
Population and housing reports from the decennial census for 1790 to 2000.
Historical Statistics of the United States
A compendium of a variety of US statistics on topics such as population, work and welfare, and the economy. From Cambridge University Press. Requires UCSC or OCA access.
Contains a wide range of statistics from various governmental agencies
Current Population Reports Index 1947- present
Reports can be searched by series number (e.g., P-20, P-25) or by subject (computer use, poverty, race, etc.). Both searches provide the title, the issue number, and the date of the report; from Ohio State Univ.
Publications by topic
From the US Census Bureau; links to census publications by topic
Census of Agriculture
1925-most recent Census of Agriculture, with links to other internet locations, where available; from Columbia University
Business & Industry
Economic Census, Economic Indicators, and other Economic Programs; from the US Census Bureau
Current and historical data and reports on poverty
Guide to Census Research
Guide to doing census research by year; from UCSD
How to cite census data
Lists elements that should be included in a complete citation and provides sample citations
Decennial Population and Housing Censuses Guide
Approximately 90 Table Finding Guides (.pdf) for population and housing reports; from North Carolina State Univ.
Census 2000 for California: A Friendly Guide (PDF)
Year 2000 census data for the state of California; from the California Research Bureau
For understanding census geography from the Bureau of the Census (includes MAF/TIGER information)