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 between September 24, 2026 and October 1, 2026.
Ravalli County, Montana, has about 48,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Ravalli County is held at the county jail, run by the Ravalli 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: Ravalli County public records, Ravalli County arrest records, Ravalli County warrants, Ravalli County criminal records, Ravalli County court records, Montana arrest records and Montana inmate search.
Finding Someone in Custody in Ravalli County
The county jail, run by the Ravalli County Sheriff's Office, holds everyone kept in custody after an arrest in Ravalli County, from every agency.
SearchSystems opened and checked the jail page of the Ravalli County Sheriff's Office at ravallicounty.gov/245/Sheriffs-Office (page title: Sheriff Stephen Holton | Ravalli County, MT), phone (406) 363-3033, 205 Bedford Street, Suite G Hamilton, MT 59840, which answered when SearchSystems opened it on September 30, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at (406) 363-3033.
The Ravalli County Jail by the Numbers
On an average day in 2021 the jail held about 54 people, up from about 53 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 83 beds, and it ran at 64 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Ravalli County has about 48,000 residents (2024 Census Bureau estimate), so the jail holds about 11 people for every 10,000 residents.
Who Books People Into the Ravalli County Jail
The Ravalli County Sheriff's Office and the agencies that report for Hamilton, Stevensville and Darby make the arrests that end in a booking in Ravalli County.
The largest arrest counts reported to the FBI were the Ravalli County Sheriff's Office's 628 for 2025, Hamilton's 175 for 2025 and Darby's 21 for 2025.
Together, the four agencies in Ravalli County with all twelve months of 2025 on file reported 843 arrests to the FBI that year. 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 Ravalli 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 Ravalli County?
Ask the Ravalli County Sheriff's Office at (406) 363-3033; its jail page SearchSystems verified is at ravallicounty.gov/245/Sheriffs-Office.
How many people are in the Ravalli County jail?
About 54 on an average day in 2021, the latest year in the Vera Institute's jail data, against a rated capacity of 83 beds.
What is the phone number for the Ravalli County jail?
(406) 363-3033, the number on the page of the Ravalli County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Ravalli County go?
To a facility of the Montana Department of Corrections; its inmate locator is at offendersearch.mt.gov/conweb.
Is this the official Ravalli 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.