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 2, 2026.
Carbon County, Montana, has about 11,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Carbon County is held at the county jail, run by the Carbon 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: Carbon County public records, Carbon County arrest records, Carbon County warrants, Carbon County criminal records, Carbon County court records, Montana arrest records and Montana inmate search.
Finding Someone in Custody in Carbon County
A person kept in custody after an arrest in Carbon County is held at the county jail, run by the Carbon County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Carbon County Sheriff's Office at carboncountysheriff.com (page title: Carbon County Sheriff's), a site that blocks automated checks (HTTP 403), so open it in a browser.
That page is the office's jail information page rather than a roster.
The Carbon County Jail by the Numbers
On an average day in 2021 the jail held about 27 people, down from about 28 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 23 beds, and it ran at 124 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Carbon County has about 11,000 residents (2024 Census Bureau estimate), so the jail holds about 24 people for every 10,000 residents.
Who Books People Into the Carbon County Jail
The Carbon County Sheriff's Office and the agencies that report for Red Lodge and Bridger make the arrests that end in a booking in Carbon County.
The largest arrest counts reported to the FBI were the Carbon County Sheriff's Office's 30 for 2025, Red Lodge's 3 for 2025 and Bridger's 0 for 2025.
Together, the three agencies in Carbon County with all twelve months of 2025 on file reported 33 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 Carbon County arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Carbon County serves the sentence in a facility of the Montana Department of Corrections, whose inmate locator is at offendersearch.mt.gov/conweb.
Frequently Asked Questions
How do I find an inmate in Carbon County?
Ask the Carbon County Sheriff's Office; its jail page SearchSystems verified is at carboncountysheriff.com.
How many people are in the Carbon County jail?
About 27 on an average day in 2021, the latest year in the Vera Institute's jail data, against a rated capacity of 23 beds.
Where do people sentenced to prison in Carbon County go?
To a facility of the Montana Department of Corrections; its inmate locator is at offendersearch.mt.gov/conweb.
Is this the official Carbon 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.