World Prisons

Prisons

7,437 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Data is aggregated from public sources and may be incomplete or out of date.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.

Magazine City Hall-Jail

United States

Type

—

Capacity

—

Held

—

Maguire Correctional Facility

United States · Redwood City

Maximum

Type

County jail

Capacity

688

Held

640

Under capacity (93%)

Mahaska County Jail

United States · Oskaloosa

Type

County jail

Capacity

—

Held

—

Mahoning County Jail / Justice Center

United States · Youngstown

Type

County jail

Capacity

466

Held

539

Overcrowded (116%)Low

Mahoning County Juvenile Detention Center

United States · Youngstown

Juvenile

Type

County jail

Capacity

40

Held

—

Mahoning County Juvenile Justice Center

United States

Type

—

Capacity

—

Held

—

Mahoning Facility

United States · Youngstown

Minimum

Type

State prison

Capacity

70

Held

—

Maine Correctional Center

United States · Windham

Medium

Type

State prison

Capacity

650

Held

500

Under capacity (77%)

Maine Department of Corrections

United States · Belfast

Type

—

Capacity

—

Held

—

Maine Industrial School for Girls

United States

Type

—

Capacity

—

Held

—

Maine State Prison

United States · Warren

Close

Type

State prison

Capacity

916

Held

836

Under capacity (91%)

Major County Jail

United States · Fairview

Type

County jail

Capacity

—

Held

—

Maleng Regional Justice Center - Kent

United States · Kent

Type

County jail

Capacity

—

Held

790

Malheur County Correctional Facility

United States · Vale

Maximum

Type

County jail

Capacity

104

Held

104

Overcrowded (100%)Low

Malibu Conservation Camp #13

United States · Malibu

Minimum

Type

State prison

Capacity

105

Held

75

Under capacity (71%)Low

Manatee County Central Jail

United States · Palmetto

Medium

Type

County jail

Capacity

988

Held

1,086

Overcrowded (110%)Low

Manatee County Jail

United States · Palmetto

Type

—

Capacity

—

Held

—

Manatee County Stockade Complex

United States · Palmetto

Minimum

Type

County jail

Capacity

420

Held

—

Manatee Regional Juvenile Detention Center

United States · Bradenton

Juvenile

Type

State prison

Capacity

42

Held

—

Mandan Residential Re-Entry Facility

United States · Mandan

Minimum

Type

State prison

Capacity

76

Held

12

Under capacity (16%)Low

Manhattan Detention Complex

United States · New York

Type

Local jail

Capacity

881

Held

—

Manistee County Jail

United States · Manistee

Type

County jail

Capacity

52

Held

—

Manitou Jail

United States

Type

—

Capacity

—

Held

—

Manitowoc County Jail

United States

Type

—

Capacity

—

Held

—

Manitowoc County Jail / Juvenile Detention Center

United States · Manitowoc

Type

County jail

Capacity

—

Held

213

Manning Correctional Institute

United States

Type

—

Capacity

—

Held

—

Manning Reentry / Work Release Center

United States · Columbia

Minimum

Type

State prison

Capacity

839

Held

560

Under capacity (67%)Low

Mansfield Correctional Institution

United States · Mansfield

Maximum

Type

State prison

Capacity

2,523

Held

2,183

Under capacity (87%)

Mansfield Correctional Institution Prison Camp

United States · Mansfield

Minimum

Type

State prison

Capacity

—

Held

417

Mansfield Jail

United States · Mansfield

Type

Local jail

Capacity

—

Held

22