# Prisons and Jails in Montana: All 61 on a Map (List + Data) | InstaMaps > Montana has 61 prisons and jails (1.2% of the US), #31 by count and #1 per person. From HIFLD Prison Boundaries. Map to embed, CSV download. Source: https://get-instamaps.com/rankings/prisons-jails/montana [InstaMaps](/) [Store locator](/store-locator)[All tools](/tools)[Blog](/blog)[ Get Started Free ](https://workspace.google.com/marketplace/app/instamaps/103204565785?utm%5Fsource=get-instamaps&utm%5Fmedium=site&utm%5Fcampaign=toolheader) [← Montana in the data room](/data/montana)[← Full 50-state ranking](/rankings/prisons-jails) # Prisons and Jails in Montana Montana has **61 prisons and jails**: 1.2% of the US total of 4,960\. That ranks **#31 by count** and **#1 per person** (5.36 per 100,000 residents) of 51. ## Key takeaways * Montana has 61 prisons and jails, 1.2% of the US total of 4,960. * That ranks #31 of 51 by count and #1 per person (5.36 per 100,000 residents). * Texas has the most, with 449. * By type: 21 state prisons, 36 county jails, 2 local jails. * Source: HIFLD Prison Boundaries (U.S. Department of Homeland Security), final release, 2025. #1 national rank (per capita) 61 prisons and jails 5.36 per 100k residents ## The data Source: HIFLD Prison Boundaries (U.S. Department of Homeland Security), final release, 2025\. Each facility at the centre of its boundary, with its type (federal, state, county, local) and city. The Prison Policy Initiative counts 5,077 facilities (2026); counts differ by which kinds of facility are included. Licence: U.S. government data: no copyright, free to reuse [Montana: 61 rows (CSV)](/downloads/prisons-jails/montana.csv)[All of the US (CSV)](/downloads/prisons-jails/us.csv) ## Put this map on your website — free Local blogs, news sites, parks pages: embed the live interactive map with one snippet. Attribution stays on, that's the whole deal. `` ## All 61 prisons and jails in Montana | # | Name | Details | | -- | -------------------------------------------------------- | ------------------------------ | | 1 | Alpha House Pre-Release Center | State · Billings | | 2 | Anaconda-Deer Lodge County Jail | County · Anaconda | | 3 | Beaverhead County Detention Center | County · Dillon | | 4 | Big Horn County Sheriff's Office / Detention Center | County · Hardin | | 5 | Broadwater County Detention Center | County · Townsend | | 6 | Butte Pre-Release / Women's Transitional Center | State · Butte | | 7 | Butte Silver Bow Detention Facility | County · Butte | | 8 | Cascade County Regional Prison | State · Great Falls | | 9 | Chouteau County Detention Facility | County · Fort Benton | | 10 | Connections Corrections - Butte | State · Butte | | 11 | Connections Corrections West - Warm Springs | State · Warm Springs | | 12 | Crossroads Correctional Center | Multi-agency · Shelby | | 13 | Custer County Detention Center | County · Miles City | | 14 | Dawson County Correctional Facility | State · Glendive | | 15 | Elkhorn Treatment Center | State · Boulder | | 16 | Fallon County Detention Center | County · Baker | | 17 | Fergus County Sheriff's Department | County · Lewistown | | 18 | Flathead County Detention Center | County · Kalispell | | 19 | Fort Peck Tribes Jail | Local · Poplar | | 20 | Gallatin County Detention Center | County · Bozeman | | 21 | Gallatin County Reentry Program | County · Bozeman | | 22 | Glacier County Jail | County · Cut Bank | | 23 | Great Falls Pre-Release East Campus | State · Great Falls | | 24 | Great Falls Women's Pre-Release Center | State · Great Falls | | 25 | Helena Pre-Release Center | State · Helena | | 26 | Hill County Detention Center | County · Havre | | 27 | Jefferson County Criminal Justice | County · Boulder | | 28 | Lake County Jail | County · Polson | | 29 | Lewis & Clark County Detention Center | County · Helena | | 30 | Lincoln County Sheriff's Department / Detention Center | County · Libby | | 31 | Madison County Sheriff's Department | County · Virginia City | | 32 | Meagher County Sheriff's Department | County · White Sulphur Springs | | 33 | Mineral County Sheriff's Department | County · Superior | | 34 | Missoula County Detention Facility | County · Missoula | | 35 | Missoula Pre-Release Center | State · Missoula | | 36 | Montana Chemical Dependency Center | State · Butte | | 37 | Montana State Hospital | State · Warm Springs | | 38 | Montana State Hospital - Forensic Mental Health Facility | State · Deer Lodge | | 39 | Montana State Prison | State · Deer Lodge | | 40 | Montana Women's Prison | State · Billings | | 41 | Musselshell County Sheriff's Office | County · Roundup | | 42 | Nexus Treatment Center | State · Lewistown | | 43 | Pablo Tribal Jail | Local · Ronan | | 44 | Passages Women's Community Correctional Facility | Multi-agency · Billings | | 45 | Pondera County Sheriff's Department | County · Conrad | | 46 | Powder River County Sheriff's Office | County · Broadus | | 47 | Powell County Sheriff's Office | County · Deer Lodge | | 48 | Ravalli County Detention Center | County · Hamilton | | 49 | Richland County Jail | County · Sidney | | 50 | Riverside Recovery & Reentry Program | State · Boulder | | 51 | Roosevelt County Jail | County · Wolf Point | | 52 | Rosebud County Detention Center | County · Forsyth | | 53 | Sanders County Jail | County · Thompson Falls | | 54 | Start Center | State · Anaconda | | 55 | Toole County Detention Facility | County · Shelby | | 56 | Valley County Jail / Sheriff | County · Glasgow | | 57 | Watch East | State · Glendive | | 58 | Watch West | State · Warm Springs | | 59 | Wheatland County Sheriff's Office | County · Harlowton | | 60 | Wibaux County Jail | County · Wibaux | | 61 | Yellowstone County Detention Facility | County · Billings | Names as the source gives them. Coordinates for every one are in the CSV. ## Cite this "Montana has 61 prisons and jails, #31 in the US by count and #1 per person (HIFLD Prison Boundaries, 2025, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.