HELP US END MASS INCARCERATION The Prison Policy Initiative uses research, advocacy, and organizing to dismantle mass incarceration. We’ve been in this movement for 20 years, thanks to individual donors like you.

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Thank you,
Peter Wagner, Executive Director
A map of Pennsylvania, with its prisons marked by icons and each county colored based the number of residents in prison. The size of each icon is based on the size of the prison. Most of the prisons are in counties with lower than average incarceration.

Data Source: Pennsylvania Department of Corrections and U.S. Census, 2000. (Map: Rose Heyer, 2003)

This map originally appeared in Impact in Pennsylvania.

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