| Correctional Facility Name | Type | County |
|---|---|---|
| Helena City Jail, Montana | City Jail | Lewis and Clark County |
| East Helena City Jail, Montana | City Jail | Lewis and Clark County |
| Whitehall City Jail, Montana | City Jail | Jefferson County |
| Chinook City Jail, Montana | City Jail | Blaine County |
| Billings Jail, Montana | City Jail | Yellowstone County |
| Wolf Point City Jail, Montana | City Jail | Roosevelt County |
| Polson City Jail, Montana | City Jail | Lake County |
| Libby City Jail, Montana | City Jail | Lincoln County |
| Bozeman Jail, Montana | City Jail | Gallatin County |
| Miles City City Jail, Montana | City Jail | Custer County |