Montana

The atlas lists 65 prisons, jails and detention centres in Montana, United States, including 35 county jails and 14 state prisons.

By the capacity recorded in its sources, Montana State Prison is the largest, with about 1,600 places.

136 police units are listed for Montana, United States: 61 sheriff's offices, 55 police departments and 12 state agencies.

Start with the live rosters on this page, which list 105 people right now. For other jails, use the sheriff's inmate lookup or call the facility.

Yellowstone County, with 4 prisons and jails and 7 police units.

Yes for 61 entries of 65. Where a number is missing, the facility page shows its address and map location; details can change, so the agency's own website is the authority.

The atlas lists 4 juvenile facilities here. Each has its own page with the address and, where published, a phone number.

Billings has the most, with 4 places of detention in the atlas, out of 40 towns with at least one.

The atlas files Montana, United States by county, following official administrative boundaries; 56 counties currently have entries. Every facility is listed in the county where it is located; Yellowstone County is the largest by number of entries.