Inter-university Consortium for Political and Social Research - ICPSR maintains a data archive of more than 350,000 files of research in the social and behavioral sciences. It hosts 23 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields.
State Statistics contains nearly 300 databases, including 150 active databases covering critical social science statistics. Explore demographics, health, education, income, security, military, economics, and more for the U.S., states, and counties. A growing number of databases provide data for cities, ZIP Codes, and Census Tracts.
RAND's research on California and its communities spans a wide analytical range, from health, education, and justice issues to military, security, and transportation.