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This is a list of state prisons in Pennsylvania. It does not include federal prisons or county jails located in the Commonwealth of Pennsylvania.
Historical (closed)
- Eastern State Penitentiary, Fairmount, Philadelphia, Pennsylvania. Closed in 1971.
- Quehanna Boot Camp, Karthaus Township, Pennsylvania. Co-ed and six-month duration. Closed in 2026.
- State Correctional Institution – Cresson, Cresson, Pennsylvania. Converted from a psychiatric hospital. Closed in 2013.
- State Correctional Institution – Graterford, Skippack Township, Pennsylvania. Closed 2018.
- State Correctional Institution – Greensburg, Greensburg, Pennsylvania. Closed in 2013
- State Correctional Institution – Pittsburgh, Pittsburgh, Pennsylvania. Closed in 2017.
- State Correctional Institution – Retreat, Hunlock Creek, Pennsylvania. Converted from a psychiatric hospital. Opened 1980. Closed June 30, 2020.
- State Correctional Institution – Rockview, Benner Township, Pennsylvania. Closed in 2026.
- State Correctional Institution – Waynesburg, Morgan Township, Pennsylvania. Closed in 2003.
Young adult offenders male ages 1625
{| class="wikitable"
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! Institution Name !! Location !! Security Level
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| State Correctional Institution – Pine Grove || Indiana, Pennsylvania || Maximum Security
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Adult female institutions
{| class="wikitable"
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! Institution Name
! Location
! Notes
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| State Correctional Institution – Cambridge Springs || Cambridge Springs, Pennsylvania || Minimum security
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| State Correctional Institution – Muncy || Muncy, Pennsylvania || Close security. Houses all female capital punishment inmates & diagnostic and classification center for women.
|}
Adult male institutions
Minimum security
{| class="wikitable"
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! Institution Name !! Location !! Notes
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| State Correctional Institution – Laurel Highlands ||Somerset, Pennsylvania|| Houses geriatric and mentally ill inmates
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| State Correctional Institution – Mercer || Mercer, Pennsylvania ||
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| State Correctional Institution – Waymart || Waymart, Pennsylvania || Originally part Farview State Hospital. Has Forensic Treatment Unit & houses inmates with mental disorders who require inpatient psychiatric care and treatment. The 1989 riot at the State Correctional Institution – Camp Hill expedited the opening.
|}
Medium security
{| class="wikitable"
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! Institution Name!! Location !! Notes
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| State Correctional Institution – Albion || Albion, Pennsylvania || Also close-security
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| State Correctional Institution – Benner Township || Benner Township, Pennsylvania ||
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| State Correctional Institution – Coal Township || Coal Township, Pennsylvania ||
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| State Correctional Institution – Chester || Chester, Pennsylvania || Opened 1998 first facility to treat inmates with substance use and be tobacco free
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| State Correctional Institution – Dallas || Dallas, Pennsylvania || Was originally designed for "defective delinquents"
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| State Correctional Institution – Houtzdale || Houtzdale, Pennsylvania ||
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| State Correctional Institution – Mahanoy || Frackville, Pennsylvania ||
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| State Correctional Institution – Somerset || Somerset, Pennsylvania ||
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Close security
{| class="wikitable"
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! Institution Name !! Location !! Notes
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| State Correctional Institution – Camp Hill || Camp Hill, Pennsylvania || Diagnostic and classification center, riots occurred here in 1989
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| State Correctional Institution – Huntingdon || Smithfield Township, Huntingdon County, Pennsylvania || Opened 1889 first for young offenders and then "defective delinquents" modeled after the Elmira Correctional Facility
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| State Correctional Institution – Smithfield || Smithfield Township, Huntingdon County, Pennsylvania ||
|}
Maximum security
{| class="wikitable"
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! Institution Name !! Location !! Notes
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| State Correctional Institution – Fayette || La Belle, Pennsylvania ||
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| State Correctional Institution – Forest || Marienville, Pennsylvania ||
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| State Correctional Institution – Frackville || Frackville, Pennsylvania ||
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| State Correctional Institution – Phoenix || Skippack, Pennsylvania || Opened July 11, 2018, replacing the adjoining State Correctional Institution – Graterford, which had been Pennsylvania's largest prison. Graterford opened in 1929 and worked with Eastern State Penitentiary until its closing in 1970.
|}
Supermax security
{| class="wikitable"
|-
! Institution Name !! Location !! Notes
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| State Correctional Institution – Greene || Waynesburg, Pennsylvania || Houses most of state's capital punishment inmates
|}
