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FAQ · United States

How many prisons and detention centers are there in the United States?

The directory lists 2,738 facilities in the United States, spread across 55 states and territories and 1,886 localities. The regions with the most facilities are California, Texas, Georgia. By type: Prisons and penitentiaries (1,314), Local and county jails (1,056), Juvenile detention centers (265), Women's prisons (50), Immigration detention (36), Forensic psychiatric facilities (15), Military prisons (2). These are the facilities mapped as such in OpenStreetMap, so the figure may not include every real facility.

Facilities by region

Region / stateFacilitiesLocalities
California234136
Texas223127
Georgia157122
Florida13784
New York11776
Virginia10977
Pennsylvania9875
Ohio9662
Illinois8769
Wisconsin8363
North Carolina7359
Arizona7124
South Carolina6145
Michigan6047
Tennessee5839
Alabama5743
Indiana5239
Washington5236
Kentucky5141
Oregon5130
Colorado4930
Kansas4829
New Mexico4531
Iowa4335
Massachusetts4328
Maryland4229
Louisiana4134
Missouri4133
West Virginia4030
Oklahoma3827
Minnesota3733
Arkansas3623
Mississippi3532
New Jersey3126
Nevada2213
Utah2116
Connecticut2015
Maine1917
Puerto Rico1811
Montana1611
South Dakota1612
Alaska1512
Idaho157
Nebraska148
New Hampshire117
Hawaii98
North Dakota99
Vermont97
Delaware87
Rhode Island83
Wyoming85
District of Columbia11
Guam11
Northern Mariana Islands11
United States Virgin Islands11

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