Prisons

3,277 facilities indexed. Filter by country, security level, type, or gender. Click any card for contact details, visiting rules, and conditions.

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Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

Overcrowded

Madison County Metro Jail

United States

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Madison County Sheriff's House and Jail

United States

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Madison Street Jail

United States · Phoenix

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Magazine City Hall-Jail

United States

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Maguire Correctional Facility

United States

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Mahoning County Juvenile Justice Center

United States

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Maine Correctional Center

United States · Windham

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Maine Department of Corrections

United States · Belfast

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Maine Industrial School for Girls

United States

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Maine State Prison

United States · Warren

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Manatee County Jail

United States · Palmetto

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Manitou Jail

United States

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Manitowoc County Jail

United States

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Manning Correctional Institute

United States

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Mansfield Correctional Institution

United States · Mansfield

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Manzanar

United States

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Maple Lane Corrections Facility

United States · Centralia

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Maple Street Correctional Center

United States · Redwood City

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Marana Community Correctional Treatment Facility

United States

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Marathon County Jail

United States · Wausau

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Marathon County Juvenile Facility

United States · Wausau

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Marble Jailhouse

United States

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Marble Valley Regional Correctional Facility

United States

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Marcy Correctional Facility

United States · Marcy

Medium

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State prison

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Maricopa County Courthouse

United States

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Maricopa County Juvenile Detention Home

United States

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Marietta Regional Youth Detention Center

United States · Marietta

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Marin County Jail

United States · San Rafael

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Marinette County Sheriff's Office

United States

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Marion Correctional Center

United States · Marion

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