California Statistical Abstract
Economic Statistics Briefing Room
Federal statistics on income, employment and unemployment.
Social Statistics Briefing Room
Federal statistics on crime, demography, health, and education.
U.S. Census 2000
For older census data see: American Factfinder.
Inter-University Consortium for Political & Social Research (ICPSR)
An archive of social science data for research and instruction. CSUB students, faculty, and staff can register online to use the ICPSR database.