Montana Detention Population History
Historical detention facility population data for Montana from TRAC. Use this page for background and trend review.
Historical Data
| Facility | City | Zip | Type | Guaranteed minimum | Average daily population | Current as of |
|---|---|---|---|---|---|---|
| YELLOWSTONE COUNTY JAIL | BILLINGS | 59101 | USMS IGA | 0 | 11/13/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 10/10/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 09/30/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 09/18/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 08/07/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 07/24/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 07/10/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 06/12/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 05/30/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 05/01/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 04/11/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 04/04/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 03/20/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 02/06/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 01/23/2023 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 12/27/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 12/13/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 1 | 11/14/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 09/19/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 07/11/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 06/13/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 05/31/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 04/18/2022 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 02/07/2022 | |
| BEAVERHEAD COUNTY DETENTION CENTER | DILLON | 59725 | IGSA | 0 | 01/07/2021 | |
| BIG HORN COUNTY JAIL (MONTANA) | HARDIN | 59034 | IGSA | 0 | 01/07/2021 | |
| BILLINGS HOLD ROOM | BILLINGS | 59101 | HOLD | 0 | 01/07/2021 | |
| BLAINE COUNTY JAIL | CHINOOK | 59523 | IGSA | 0 | 01/07/2021 | |
| BROADWATER COUNTY SHERIFF | TOWNSEND | 59644 | IGSA | 0 | 01/07/2021 | |
| BUTTE-SILVER BOW COUNTY JAIL | BUTTE | 59701 | IGSA | 0 | 01/07/2021 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 0 | 01/07/2021 | |
| CHOUTEAU COUNTY JAIL | FORT BENTON | 59442 | IGSA | 0 | 01/07/2021 | |
| COLUMBIA FALLS POLICE DEPARTMENT | COLUMBIA FALLS | 59912 | IGSA | 0 | 01/07/2021 | |
| CUSTER COUNTY JAIL | MILES CITY | 59301 | IGSA | 0 | 01/07/2021 | |
| DAWSON COUNTY JAIL | GLENDIVE | 59330 | IGSA | 0 | 01/07/2021 | |
| FLATHEAD COUNTY JAIL | KALISPELL | 59901 | IGSA | 0 | 01/07/2021 | |
| GALLATIN COUNTY JAIL | BOZEMAN | 59715 | IGSA | 0 | 01/07/2021 | |
| HELENA DISTRICT CUSTODY | HELENA | 59601 | HOLD | 0 | 01/07/2021 | |
| HILL COUNTY DETENTION CENTER | HAVRE | 59501 | USMS IGA | 0 | 01/07/2021 | |
| JEFFERSON COUNTY DETENTION CENTER | BOULDER | 59632 | USMS IGA | 0 | 01/07/2021 | |
| LAKE COUNTY JAIL | POLSON | 59860 | IGSA | 0 | 01/07/2021 | |
| LEWIS & CLARK COUNTY JAIL | HELENA | 59601 | IGSA | 0 | 01/07/2021 | |
| MINERAL COUNTY JAIL | SUPERIOR | 59872 | IGSA | 0 | 01/07/2021 | |
| MISSOULA COUNTY | MISSOULA | 59808 | IGSA | 0 | 01/07/2021 | |
| MUSSELSHELL COUNTY JAIL | ROUNDUP | 59072 | IGSA | 0 | 01/07/2021 | |
| PARK COUNTY DETENTION CENTER | LIVINGSTON | 59602 | IGSA | 0 | 01/07/2021 | |
| PHILLIPS COUNTY JAIL (MONTANA) | MALTA | 59538 | IGSA | 0 | 01/07/2021 | |
| PONDERA COUNTY JAIL | CONRAD | 59425 | IGSA | 0 | 01/07/2021 | |
| POWDER RIVER COUNTY JAIL | BROADUS | 59317 | IGSA | 0 | 01/07/2021 | |
| RAVALLI COUNTY JAIL | HAMILTON | 59840 | IGSA | 0 | 01/07/2021 | |
| ROSEBUD COUNTY JAIL | FORSYTH | 59327 | IGSA | 0 | 01/07/2021 | |
| SHERIDAN COUNTY JAIL | PLENTYWOOD | 59254 | IGSA | 0 | 01/07/2021 | |
| SWEETWATER COUNTY JAIL | BIG TIMBER | 59011 | IGSA | 0 | 01/07/2021 | |
| TOOLE COUNTY DETENTION FACILITY | SHELBY | 59474 | IGSA | 0 | 01/07/2021 | |
| WHITEFISH CITY JAIL | WHITEFISH | 59937 | IGSA | 0 | 01/07/2021 | |
| YELLOWSTONE COUNTY JAIL | BILLINGS | 59101 | USMS IGA | 0 | 01/07/2021 | |
| YELLOWSTONE COUNTY YOUTH SERVICES | BILLINGS | 59101 | IGSA | 0 | 01/07/2021 | |
| CASCADE COUNTY JAIL (MONTANA) | GREAT FALLS | 59404 | USMS IGA | 2 | 09/30/2019 |