Data toolbox

Sections
National data
State-level comparison data
Population data
Admissions & releases
Wages, fees, & other expenses
Policies
State specific data
National & state population data (U.S. Census)
Other curated resources

All of our reports and many of our briefings compile previously unavailable or incompatible data. For the benefit of other advocates and researchers who want to do new things with our data, we’ve compiled our unique datasets on this page.

Need help working with this data? Not what you’re looking for? Check out our Advocacy Toolkit for tips on managing large data sets and other sources of data about the criminal legal system.

Latest updates:

  • A collection of prison discipline policies for all 50 states, the Washington, D.C. Department of Corrections, and the Federal Bureau of Prisons (added on October 17, 2023)
  • Data on discretionary parole grant rates from selected states, 2019-2022 (updated on October 16, 2023)
  • Data on the number of people incarcerated in Rhode Island from each geographic area — 11 tables in total (added on October 10, 2023)

National data


State-level criminal justice data (all states)

Population data

Admissions and releases

Wages, fees, and other expenses

Policies:


Data specific to only one state:

California

The number of incarcerated people as of 2020 from each:

Colorado

The number of incarcerated people as of 2020 from each:

Connecticut

The number of incarcerated people as of 2020 from each:

Delaware

The number of incarcerated people as of 2020 from each:

Iowa

Louisiana

The number of incarcerated people as of 2022 from each:

Maryland

The number of incarcerated people as of 2020 from each:

The number of incarcerated people as of 2010 from each:

The number of incarcerated people as of 2010 in Baltimore in each:

See more Maryland data

Massachusetts:

Michigan

Montana

The number of incarcerated people as of 2020 from each:

Nevada

The number of incarcerated people as of 2020 from each:

New Jersey

The number of incarcerated people as of 2020 from each:

New York:

The number of incarcerated people as of 2020 from each:

Pennsylvania

The number of incarcerated people as of 2020 from each:

Rhode Island

The number of incarcerated people as of 2020 from each:

Virginia

The number of incarcerated people as of 2020 from each:

Washington

The number of incarcerated people as of 2020 from each:


Population data (for calculating incarceration rates, etc.)


Other curated resources:



Stay Informed


Get the latest updates:



Share on 𝕏 Donate