World Prisons

Prisons

2,181 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Data is aggregated from public sources and may be incomplete or out of date.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.

Meherrin River Regional Satellite Jail

United States · Boydton

Maximum

Type

County jail

Capacity

80

Held

23

Under capacity (29%)Low

Meigs County Jail

United States · Pomeroy

Type

County jail

Capacity

60

Held

50

Under capacity (83%)Low

Melbourne Center For Personal Growth

United States · Melbourne

Juvenile

Type

State prison

Capacity

32

Held

28

Under capacity (88%)Low

Menard Medium Security Unit

United States · Menard

Medium

Type

State prison

Capacity

394

Held

394

Overcrowded (100%)Low

Mendota Juvenile Treatment Center

United States · Madison

Juvenile

Type

State prison

Capacity

43

Held

28

Under capacity (65%)Low

Menominee County Jail

United States · Menominee

Type

County jail

Capacity

51

Held

31

Under capacity (61%)Low

Merrick County Jail

United States · Central City

Type

County jail

Capacity

12

Held

9

Under capacity (75%)Low

Merrimack County House Of Corrections

United States · Boscawen

Maximum

Type

County jail

Capacity

237

Held

232

Under capacity (98%)Low

Mesa County Jail / Sheriff

United States · Grand Junction

Type

County jail

Capacity

440

Held

574

Overcrowded (130%)Low

Mesa Verde Detention Facility

United States · Bakersfield

Minimum

Type

Multi-jurisdictional facility

Capacity

400

Held

387

Under capacity (97%)Low

Metro-Davidson County Detention Facility

United States · Nashville

Maximum

Type

County jail

Capacity

1,368

Held

902

Under capacity (66%)Low

Metropolitan Transition Center

United States · Baltimore

Minimum

Type

State prison

Capacity

580

Held

202

Under capacity (35%)Low

Metro Regional Youth Detention Center

United States · Atlanta

Juvenile

Type

State prison

Capacity

235

Held

38

Under capacity (16%)Low

Miami County Incarceration Facility

United States · Troy

Type

County jail

Capacity

240

Held

130

Under capacity (54%)Low

Miami County Jail

United States · Paola

Type

County jail

Capacity

96

Held

129

Overcrowded (134%)Low

Miami-Dade County Metro West Detention Center

United States · Miami

Maximum

Type

County jail

Capacity

3,098

Held

2,066

Under capacity (67%)Low

Miami Youth Academy

United States · Miami

Juvenile

Type

State prison

Capacity

28

Held

24

Under capacity (86%)Low

Michael State Prison

United States · Tennessee Colony

Maximum

Type

State prison

Capacity

3,305

Held

2,902

Under capacity (88%)Low

Michael W Prenger Family Center

United States · Jefferson City

Juvenile

Type

County jail

Capacity

20

Held

4

Under capacity (20%)Low

Middlesex County Adult Correction Center

United States · North Brunswick

Type

County jail

Capacity

1,436

Held

1,182

Under capacity (82%)Low

Middlesex County Jail And House Of Correction

United States · Billerica

Maximum

Type

County jail

Capacity

1,501

Held

985

Under capacity (66%)Low

Middlesex County Juvenile Detention Center

United States · North Brunswick

Juvenile

Type

County jail

Capacity

100

Held

56

Under capacity (56%)Low

Middleton Transfer Facility

United States · Abilene

Maximum

Type

State prison

Capacity

2,128

Held

1,985

Under capacity (93%)Low

Midland County Central Detention Center

United States · Midland

Maximum

Type

County jail

Capacity

498

Held

438

Under capacity (88%)Low

Midland County Jail

United States · Midland

Maximum

Type

County jail

Capacity

274

Held

135

Under capacity (49%)Low

Mifflin County Correctional Facility

United States · Lewiston

Type

County jail

Capacity

198

Held

168

Under capacity (85%)Low

Milam County Jail

United States · Cameron

Type

County jail

Capacity

160

Held

137

Under capacity (86%)Low

Milan Youth Development Campus

United States · Milan

Juvenile

Type

State prison

Capacity

150

Held

126

Under capacity (84%)Low

Mill Creek Youth Center

United States · Ogden

Juvenile

Type

State prison

Capacity

58

Held

32

Under capacity (55%)Low

Mille Lacs County Jail

United States · Milaca

Type

County jail

Capacity

156

Held

107

Under capacity (69%)Low