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.

Data is aggregated from public sources and may be incomplete or out of date.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

Martin County Jail

United States · Stuart

Maximum

Type

County jail

Capacity

696

Held

519

Under capacity (75%)Low

Martin County Jail / Dan Saunders Law Enforcement Center

United States · Stanton

Type

County jail

Capacity

16

Held

18

Overcrowded (113%)Low

Martinez Detention Facility

United States · Martinez

Maximum

Type

County jail

Capacity

695

Held

683

Under capacity (98%)Low

Martin Hall Juvenile Detention Facility

United States · Medical Lake

Juvenile

Type

State prison

Capacity

68

Held

13

Under capacity (19%)Low

Marvin W Foote Youth Services Center

United States · Englewood

Juvenile

Type

State prison

Capacity

61

Held

39

Under capacity (64%)Low

Maryland Correctional Institution For Women

United States · Jessup

Maximum

Type

State prison

Capacity

800

Held

777

Under capacity (97%)Low

Maryland Correctional Training Center

United States · Hagerstown

Medium

Type

State prison

Capacity

2,417

Held

2,436

Overcrowded (101%)Low

Maryland Correctional Training Center Hed/Ehu

United States · Hagerstown

Minimum

Type

State prison

Capacity

390

Held

387

Under capacity (99%)Low

Masac At Plymouth

United States · Plymouth

Minimum

Type

State prison

Capacity

275

Held

262

Under capacity (95%)Low

Mason County Detention Center

United States · Maysville

Type

County jail

Capacity

131

Held

180

Overcrowded (137%)Low

Massac County Jail

United States · Metropolis

Type

County jail

Capacity

42

Held

37

Under capacity (88%)Low

Massachusetts Treatment Center

United States · Bridgewater

Medium

Type

State prison

Capacity

667

Held

499

Under capacity (75%)Low

Matagorda County Jail

United States · Bay City

Type

County jail

Capacity

192

Held

87

Under capacity (45%)Low

Mat-Su Pretrial

United States · Palmer

Close

Type

State prison

Capacity

102

Held

102

Overcrowded (100%)Low

Mat-Su Youth Facility

United States · Palmer

Juvenile

Type

State prison

Capacity

15

Held

12

Under capacity (80%)Low

Maury County Jail

United States · Columbia

Maximum

Type

County jail

Capacity

386

Held

367

Under capacity (95%)Low

Maverick County Jail

United States · Eagle Pass

Type

County jail

Capacity

250

Held

144

Under capacity (58%)Low

Maximum Correctional Center

United States · Nashville

Maximum

Type

County jail

Capacity

508

Held

361

Under capacity (71%)Low

Maximum Security Facility

United States · Cranston

Maximum

Type

State prison

Capacity

409

Held

394

Under capacity (96%)Low

Mayfield Youth Development Center

United States · Mayfield

Juvenile

Type

State prison

Capacity

30

Held

20

Under capacity (67%)Low

Mccain Valley Conservation Camp #21

United States · Boulevard

Minimum

Type

State prison

Capacity

100

Held

85

Under capacity (85%)Low

Mcconnell Prison

United States · Beeville

Maximum

Type

State prison

Capacity

2,900

Held

2,812

Under capacity (97%)Low

Mccracken County Jail

United States · Paducah

Type

County jail

Capacity

471

Held

520

Overcrowded (110%)Low

Mcdonald County Jail

United States · Pineville

Type

County jail

Capacity

32

Held

43

Overcrowded (134%)Low

Mcdowell County Corrections - Stevens Facility

United States · Welch

Medium

Type

County jail

Capacity

322

Held

322

Overcrowded (100%)Low

Mcf - Faribault

United States · Faribault

Medium

Type

State prison

Capacity

2,026

Held

1,988

Under capacity (98%)Low

Mcf - Lino Lakes

United States · Lino Lakes

Medium

Type

State prison

Capacity

1,324

Held

1,287

Under capacity (97%)Low

Mcf - Moose Lake

United States · Moose Lake

Medium

Type

State prison

Capacity

1,053

Held

1,037

Under capacity (98%)Low

Mcf - Oak Park Heights

United States · Stillwater

Maximum

Type

State prison

Capacity

444

Held

396

Under capacity (89%)Low

Mcf - Red Wing Adult And Red Wing Juvenile

United States · Red Wing

Minimum

Type

State prison

Capacity

231

Held

154

Under capacity (67%)Low