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Data is aggregated from public sources and may be incomplete or out of date.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

Maryville Treatment Center

United States

Type

—

Capacity

—

Held

—

Mason County Jail

United States · Mason

Type

—

Capacity

—

Held

—

Mason County Jail

United States · Havana

Type

—

Capacity

—

Held

—

Mason County Jail

United States

Type

—

Capacity

—

Held

—

Massachusetts Alcohol and Substance Abuse Center

United States · Bridgewater

Type

—

Capacity

—

Held

—

Massachusetts Correctional Institution - Lancaster

United States

Type

—

Capacity

—

Held

—

Massachusetts Correctional Institution – Cedar Junction

United States · Walpole

Type

—

Capacity

—

Held

—

Massachusetts Correctional Institution – Framingham

United States · Framingham

Type

—

Capacity

—

Held

—

Massachusetts Correctional Institution – Plymouth

United States · Plymouth

Type

—

Capacity

—

Held

—

Maui Community Correctional Center

United States

Type

—

Capacity

—

Held

—

Maury Correctional Institution

United States

Type

State prison

Capacity

1,504

Held

—

Maverick County Courthouse

United States

Type

—

Capacity

—

Held

—

Maximum Security Unit

United States

Type

—

Capacity

—

Held

—

Maynard Town Hall and Jail

United States

Type

—

Capacity

—

Held

—

Mayo Correctional Institution Annex

United States

Type

—

Capacity

—

Held

—

MCC Chicago

United States · Chicago

Administrative

Type

Federal pretrial

Capacity

—

Held

—

MCC New York

United States · New York

Administrative

Type

Federal pretrial

Capacity

850

Held

Moderate

MCC San Diego

United States · San Diego

Administrative

Type

Federal pretrial

Capacity

—

Held

—

McConnell

United States · Beeville

Maximum

Type

State prison

Capacity

2,956

Held

—

McCormick Correctional Institution

United States

Type

—

Capacity

—

Held

—

McCracken Regional Juvenile Detention Center

United States · Paducah

Type

—

Capacity

—

Held

—

McDonough County Jail

United States

Type

—

Capacity

—

Held

—

McDowell Center Youth Correction Center

United States · Dyersburg

Type

—

Capacity

—

Held

—

McDowell County Jail

United States

Type

—

Capacity

—

Held

—

McDuffie County Jail

United States · Public Safety Drive Thomson

Type

County jail

Capacity

—

Held

—

McEver Detention Center

United States · Kings Chapel Rd. Perry

Type

State prison

Capacity

—

Held

—

MCFP Springfield

United States · Springfield

Administrative

Type

Federal Medical Center

Capacity

—

Held

—

McGehee City Jail

United States

Type

—

Capacity

—

Held

—

MCI-Shirley (Minimum)

United States · Shirley

Type

—

Capacity

—

Held

—

McIntosh County Jail

United States · Darien

Type

County jail

Capacity

—

Held

—