Here is a complete listing of all of the county jails in Montana, including the municipal and city jails as well. Click on the link for each jail for more detailed information.
If you know of a jail that is not on the list, or have a correction, please let us know.
Step 2 – Choose The County
| Big Horn | Big Horn County Jail | Hardin, MT 59034 |
| Blaine | Blaine County Jail | Chinook, MT 59523 |
| Broadwater | Broadwater County Detention Center | Townsend, MT 59644 |
| Carter | Carter County Jail | Ekalaka, MT 59324 |
| Cascade | Cascade County Regional Detention Center | Great Falls, MT 59404 |
| Chouteau | Chouteau County Detention Center | Fort Benton, MT 59442 |
| Custer | Custer County Detention Center | Miles City, MT 59301 |
| Dawson | Dawson County Adult Detention & Correction Facility | Glendive, MT 59330 |
| Fallon | Fallon County Jail | Baker, MT 59313 |
| Fergus | Fergus County Jail | Lewistown, MT 59457 |
| Flathead | Flathead County Detention Center | Kalispell, MT 59901 |
| Glacier | Glacier County Jail | Cut Bank, MT 59427 |
| Golden Valley | Golden Valley County Jail | Ryegate, MT 59074 |
| Granite | Granite County Jail | Philipsburg, MT 59858 |
| Jefferson | Jefferson County Jail | Boulder, MT 59632 |
| Lake | Lake County Jail | Polson, MT 59860 |
| Liberty | Liberty County Jail | Chester, MT 59522 |
| Lincoln | Lincoln County Courthouse | Libby, MT 59923 |
| Madison | Madison County Jail | Virginia City, MT 59755 |
| Meagher | Meagher County Jail | White Sulphur Springs, MT 59645 |
| Mineral | Mineral County Jail | Superior, MT 59872 |
| Missoula | Missoula County Detention Center | Missoula, MT 59808 |
| Petroleum | Petroleum County Jail | Winnett, MT 59087-0226 |
| Phillips | Phillips County Jail | Malta, MT 59538 |
| Pondera | Pondera County Jail | Conrad, MT 59425 |
| Powder River | Powder River County Jail | Broadus, MT 59317 |
| Powell | Deer Lodge Detention Center | Anaconda, MT 59711 |
| Powell | Powell County Jail | Deer Lodge, MT 59722 |
| Prairie | Prairie County Jail | Terry, MT 59349 |
| Ravalli | Ravalli County Adult Detention Center | Hamilton, MT 59840 |
| Richland | Richland County Jail | Sidney, MT 59270 |
| Roosevelt | Roosevelt County Detention Center | Wolf Point, MT 59201 |
| Rosebud | Rosebud County Jail | Forsyth, MT 59327 |
| Sanders | Sanders County Jail | Thompson Falls, MT 59873 |
| Stillwater | Stillwater County Jail | Columbus, MT 59019 |
| Toole | Toole County Jail | Shelby, MT 59474 |
| Yellowstone | Yellowstone County Detention Facility | Billings, MT 59101 |
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