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Data is aggregated from public sources and may be incomplete or out of date.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

Moyamensing Prison

United States

Type

—

Capacity

—

Held

—

Mt. Olive Correctional Complex

United States · Mt. Olive

Maximum

Type

State prison

Capacity

1,030

Held

1,022

Under capacity (99%)Low

Mt. Pleasant Correctional Facility

United States · Mount Pleasant

Minimum

Type

State prison

Capacity

776

Held

1,000

Overcrowded (129%)Low

Mt. Vernon Treatment Center

United States · Mt. Vernon

Juvenile

Type

State prison

Capacity

36

Held

31

Under capacity (86%)Low

Muhlenberg County Jail / Restricted Custody Center

United States · Greenville

Type

County jail

Capacity

281

Held

262

Under capacity (93%)Low

Mule Creek State Prison

United States · Ione

Type

State prison

Capacity

1,700

Held

—

Mule Creek State Prison (Mcsp)

United States · Ione

Maximum

Type

State prison

Capacity

3,284

Held

3,698

Overcrowded (113%)Low

Multi-County Correctional Cencer

United States · Marion

Type

—

Capacity

—

Held

—

Multi-County Juvenile Detention Center

United States · Lancaster

Juvenile

Type

County jail

Capacity

48

Held

—

Multnomah County Detention Center

United States · Portland

Maximum

Type

County jail

Capacity

448

Held

399

Under capacity (89%)

Multnomah County Inverness Jail

United States · Portland

Medium

Type

County jail

Capacity

1,037

Held

756

Under capacity (73%)

Multnomah County Juvenile Justice Complex

United States · Portland

Type

—

Capacity

—

Held

—

Murphy Bernardini Regional Juvenile Justice Center

United States · Carson City

Juvenile

Type

Local jail

Capacity

18

Held

—

Murray

United States · Gatesville

Maximum

Type

State prison

Capacity

1,264

Held

—

Murray County Jail

United States · Chatsworth

Type

County jail

Capacity

280

Held

1

Under capacity (0%)

Murray Prison

United States · Gatesville

Maximum

Type

State prison

Capacity

1,341

Held

1,272

Under capacity (95%)Low

Muscatine County Jail

United States · Muscatine

Maximum

Type

County jail

Capacity

255

Held

185

Under capacity (73%)

Muscogee County Correctional Institution

United States · Sacerdote Lane Columbus

Medium

Type

State prison

Capacity

—

Held

—

Muscogee County Jail

United States · Columbus

Close

Type

County jail

Capacity

—

Held

21

Muscogee County Prison

United States · Columbus

Medium

Type

County jail

Capacity

576

Held

532

Under capacity (92%)

Muscogee Youth Development Center

United States · Midland

Juvenile

Type

State prison

Capacity

—

Held

47

Muskegon Correctional Facility

United States · Muskegon

Medium

Type

Medium Security

Capacity

1,100

Held

1,297

Overcrowded (118%)

Muskegon County Jail

United States · Muskegon

Maximum

Type

County jail

Capacity

370

Held

523

Overcrowded (141%)Low

Muskegon County Juvenile Transition Center

United States · Muskegon

Juvenile

Type

County jail

Capacity

—

Held

—

Muskingum County Jail

United States · Zanesville

Type

County jail

Capacity

—

Held

248

Muskingum County Juvenile Detention Center

United States · Zanesville

Juvenile

Type

County jail

Capacity

—

Held

—

Muskogee Community Correctional Center

United States · Muskogee

Type

—

Capacity

—

Held

—

Muskogee County / City Detention Facility

United States · Muskogee

Type

County jail

Capacity

282

Held

—

Muskogee County Jail

United States · Muskogee

Type

—

Capacity

—

Held

—

Musselshell County Sheriff'S Office

United States · Roundup

Type

County jail

Capacity

—

Held

—