Prisons

7,437 facilities indexed. Filter by country, security level, type, or gender. Click any card for contact details, visiting rules, and conditions.

Photo gallery View on map

Data is aggregated from public sources and may be incomplete or out of date.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

OvercrowdedWith photos

Mansfield Juvenile Treatment Center & Center For Girls

United States · Mansfield

Juvenile

Type

State prison

Capacity

Held

—

Manson Youth Institution

United States · Cheshire

Juvenile

Type

State prison

Capacity

—

Held

545

Manzanar

United States

Type

—

Capacity

—

Held

—

Maple Heights City Jail

United States · Maple Heights

Type

Local jail

Capacity

—

Held

—

Maple Lane Competency Restoration Program

United States · Centralia

Type

State prison

Capacity

Held

—

Maple Lane Corrections Facility

United States · Centralia

Type

—

Capacity

—

Held

—

Maple Street Correctional Center

United States · Redwood City

Type

County jail

Capacity

832

Held

405

Under capacity (49%)

Marana Community Correctional Treatment Facility

United States · Marana

Minimum

Type

State prison

Capacity

513

Held

487

Under capacity (95%)

Marathon County Jail

United States · Wausau

Type

—

Capacity

—

Held

—

Marathon County Jail / Sheriff

United States · Wausau

Type

County jail

Capacity

279

Held

330

Overcrowded (118%)Low

Marathon County Juvenile Facility

United States · Wausau

Juvenile

Type

County jail

Capacity

Held

—

Marble Jailhouse

United States

Type

—

Capacity

—

Held

—

Marble Valley Regional Correctional Facility

United States · Rutland

Type

State prison

Capacity

118

Held

130

Overcrowded (110%)

Marcy Correctional Facility

United States · Marcy

Medium

Type

State prison

Capacity

1,218

Held

1,148

Under capacity (94%)

Marengo County Detention Center

United States · Linden

Maximum

Type

County jail

Capacity

—

Held

—

Maricopa County Courthouse

United States

Type

—

Capacity

—

Held

—

Maricopa County Jail - 4Th Avenue Jail

United States · Phoenix

Maximum

Type

County jail

Capacity

2,064

Held

2,064

Overcrowded (100%)Low

Maricopa County Jail - Durango Jail

United States · Phoenix

Medium

Type

County jail

Capacity

2,195

Held

—

Maricopa County Jail - Estrella Jail

United States · Phoenix

Maximum

Type

County jail

Capacity

1,380

Held

—

Maricopa County Jail - Lower Buckeye Jail

United States · Phoenix

Maximum

Type

County jail

Capacity

2,382

Held

—

Maricopa County Jail - Towers Jail

United States · Phoenix

Medium

Type

County jail

Capacity

1,080

Held

800

Under capacity (74%)Low

Maricopa County Juvenile Detention Home

United States

Type

—

Capacity

—

Held

—

Maricopa Reentry Center

United States · Phoenix

Type

State prison

Capacity

—

Held

Maries County Jail

United States · Vienna

Type

County jail

Capacity

Held

—

Marietta Regional Youth Detention Center

United States · Marietta

Juvenile

Type

State prison

Capacity

Held

Under capacity (11%)

Marin County Jail

United States · San Rafael

Type

County jail

Capacity

—

Held

323

Marin County Juvenile Hall

United States · San Rafael

Juvenile

Type

County jail

Capacity

—

Held

—

Marinette County Jail / Sheriff

United States · Marinette

Type

County jail

Capacity

—

Held

—

Marinette County Sheriff's Office

United States

Type

—

Capacity

—

Held

—

Marion City Jail

United States · Marion

Type

Local jail

Capacity

—

Held

—