State & County QuickFacts - Basic statistics for all states, counties and cities over 25,000 based on latest data available
Data Books - State and Local Areas (U.S. Census Bureau) - National Data Book - Online access to the data provided by the State and Metropolitan Area Data Book and County and City Data Book
StatsAmerica - StatsAmerica provides actionable data for economic analysis to use in developing metrics, grant writing and strategic planning.
(TAMU only) - Social Explorer provides easy access to demographic information about the United States from 1790 to the present.
Uexplore/Dexter software - has some Decennial Census Data for 2010, 2000, 1990, and 1980
Available in PDF format.
Census Microdata Overview describes the various public use microdata (PUMS) products that are companions to the population and housing summary files produced either from Census 2000 or from the American Community Survey (ACS). This page gives information meant to be helpful in making the decision about which product to use.
Additional assistance (and data access) is provided through the Census Research Data Center for individuals with longer term research projects (as access does necessitate proposals and approvals).