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.
Pondera County, Montana, has about 6,100 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Pondera County is held at the county jail, run by the Pondera 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: Pondera County public records, Pondera County arrest records, Pondera County warrants, Pondera County criminal records, Pondera County court records, Montana arrest records and Montana inmate search.
Finding Someone in Custody in Pondera County
A person kept in custody after an arrest in Pondera County is held at the county jail, run by the Pondera County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Pondera County Sheriff's Office at ponderacountymt.gov/sheriff (page title: Sheriff's Office | Pondera County, Montana), phone (406) 271-4060, which answered when SearchSystems opened it on September 24, 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) 271-4060.
The Pondera County Jail by the Numbers
On an average day in 2019 the jail held about 8 people. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Pondera County has about 6,100 residents (2024 Census Bureau estimate), so the jail holds about 13 people for every 10,000 residents.
Who Books People Into the Pondera County Jail
The Pondera County Sheriff's Office and the agency that reports for Conrad make the arrests that end in a booking in Pondera County.
The largest arrest counts reported to the FBI were the Pondera County Sheriff's Office's 24 for 2025 and Conrad's 15 for 2025.
Together, the two agencies in Pondera County with all twelve months of 2025 on file reported 39 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 Pondera 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 Pondera County?
Ask the Pondera County Sheriff's Office at (406) 271-4060; its jail page SearchSystems verified is at ponderacountymt.gov/sheriff.
How many people are in the Pondera County jail?
About 8 on an average day in 2019, the latest year in the Vera Institute's jail data.
What is the phone number for the Pondera County jail?
(406) 271-4060, the number on the page of the Pondera County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Pondera County go?
To a facility of the Montana Department of Corrections; its inmate locator is at offendersearch.mt.gov/conweb.
Is this the official Pondera 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.