Websites listed below contain crime and justice-related data.
This list is not meant to be exhaustive; it lists the more commonly used and useful sites.
Bureau of Justice Statistics - Data sets from the Bureau of Justice Statistics, the data-gathering and statistical unit of the U.S. Department of Justice.
Federal Criminal Case Processing Statistics - Comprehensive information describing suspects and defendants processed in the federal criminal justice system. FCCPS can be used to analyze federal case processing data.
Sourcebook of Criminal Justice Statistics - The Sourcebook of Criminal Justice Statistics brings together data from more than 100 sources about many aspects of criminal justice in the United States. The site is updated regularly as new statistics become available. The Sourcebook was supported by the U.S. Department of Justice, but was defunded in 2012. Data is still available, but at a nominal cost to the user ($3.00 - $4.00).
Transactional Records Access Clearinghouse - Fee-based: $65.00 per month, personal subscription. Provides a vast range of data on federal enforcement activities -- criminal, civil, and administrative -- as well as detailed information about federal staffing, federal funds, and the diverse characteristics of counties, federal districts, and states.
Image source: Pearson Scott Foresman. Public domain. Wikimedia Commons.