databases of statistical information
Crime and Criminal Justice
Annual national crime statistics as well as crime data on cities of more than 100,000 population.
U.S. Bureau of Justice Statistics
The Bureau of Justice Statistics does national surveys to gather data a variety of criminal justice issues, including crime victimization (what crimes people report they have been the victims of), jail populations, adults on parole and probation, etc.
Justice Research and Statistics Association
Justice Research and Statistics Association provides an interactive U.S. map with links to state agencies that collect, analyze, and disseminate justice data.
National Law Enforcement Officers Memorial Fund
Data charts on law enforcement officer fatalities each year, as well as on assaults on officers and injuries.
California Department of Justice
The Office of the Attorney General's site has statistical tables, as well as reports, publications, and links to federal, state, local agency and other statistics.
Semi-annual reports on crimes reported by city and county law enforcement agencies.
An interactive map that plots crimes committed in Oakland, sortable by type of crime, time of day or neighborhood police beat. The Oakland Crimespotting site, which was created by people at Stamen Design in San Francisco, uses data reported by the Oakland Police Department.