HELP US GET YOU THE DATA YOU NEED The Prison Policy Initiative specializes in producing the information that you need to support campaigns for justice in your state. Can you help us expand this work?

Thank you,
—Peter Wagner, Executive Director
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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:

  • Standard probation conditions — including probation fees — for 76 jurisdictions (added on October 16, 2024)
  • A listing of the tablet provider in prison systems (added on September 24, 2024)
  • Updated data on the total confined population by state and type of confinement for 2024 (added on June 25, 2024)

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:



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