Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 24, 2026.
Chouteau County, Montana, has about 5,900 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Chouteau County is held at the county jail, run by the Chouteau County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Chouteau County public records, Chouteau County arrest records, Chouteau County warrants, Chouteau County police reports, Montana arrest records and Montana inmate search.
Finding Someone in Custody in Chouteau County
A person kept in custody after an arrest in Chouteau County is held at the county jail, run by the Chouteau County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Chouteau County Sheriff's Office at chouteaucountysheriff.com (page title: Chouteau County Sheriff's Office), 1215 Washington St, Fort Benton, MT 59442, which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster.
The Chouteau County Jail by the Numbers
On an average day in 2019 the jail held about 13 people. Its rated capacity in 2019 was 21 beds, and it ran at 61 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Chouteau County has about 5,900 residents (2024 Census Bureau estimate), so the jail holds about 22 people for every 10,000 residents.
Who Books People Into the Chouteau County Jail
The Chouteau County Sheriff's Office makes the arrests that end in a booking in Chouteau County.
The Chouteau County Sheriff's Office reported 17 arrests to the FBI for 2025. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Chouteau County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Montana Department of Corrections lists its inmates at offendersearch.mt.gov/conweb.
Frequently Asked Questions
How do I find an inmate in Chouteau County?
Ask the Chouteau County Sheriff's Office; its jail page SearchSystems verified is at chouteaucountysheriff.com.
How many people are in the Chouteau County jail?
About 13 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 21 beds.
Where do people sentenced to prison in Chouteau County go?
To a facility of the Montana Department of Corrections; its inmate locator is at offendersearch.mt.gov/conweb.
Is this the official Chouteau County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.