Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest and crime counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site on September 24, 2026.
Custer County, Montana, has about 12,000 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Custer County depends on where the incident happened: the Custer County Sheriff's Office for the unincorporated county, the agency that reports for the city inside a city. This guide names each agency, where its records page is and what the Montana Public Records Act requires of it.
This guide covers which agency, the sheriff's reports, the cities' reports, how many reports, what the law requires and common questions.
Related guides: Custer County public records, Custer County arrest records, Custer County warrants, Custer County inmate search, Custer County criminal records, Montana arrest records and Montana inmate search.
Which Agency Holds a Report from Custer County
A crime, incident or collision report belongs to the agency whose officer wrote it, and that agency releases it, not the court, the jail or the prosecutor.
In Custer County that is the Custer County Sheriff's Office for the unincorporated county and for any city that contracts with it for police service, and the agency that reports for a city where the city has one of its own.
Reports from the Custer County Sheriff's Office
The Custer County Sheriff's Office is the county agency; it had 3 violent and 2 property crimes reported for 2025 and reported 8 arrests for 2025.
Its reports come from its records unit, reached through the office at 877-654-8463. The office's page SearchSystems verified is its custody page, at custercountysheriff.com/inmate-search (page title: Inmate Search | Custer County Sheriff's Office), phone 877-654-8463, which answered when SearchSystems opened it on September 24, 2026.
Reports from the City Agencies in Custer County
The one city the FBI lists in Custer County with a reporting agency of its own:
- Miles City: 30 violent and 142 property crimes reported for 2025; 108 arrests reported for 2025.
A city on that list is reported separately whether the officers are the city's own or the sheriff's under contract; the FBI's list does not say which.
How Many Reports: Custer County in 2025
The two agencies in Custer County with all twelve months of 2025 on file reported 33 violent and 144 property crimes to the FBI that year, each one a report taken by the agency that holds it.
Together, the two agencies in Custer County with all twelve months of 2025 on file reported 116 arrests to the FBI that year, and each arrest is a report of its own.
What the Montana Public Records Act Requires
Under the Montana Public Records Act the agency must answer a request in a timely manner; the statute sets no number of days, and it may charge the actual cost of fulfilling the request. The request goes to the agency that holds the report, in writing, and does not have to say why the report is wanted.
A defendant who has been charged gets the report through the case: the County Attorney, (406) 874-3310, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Custer County?
From the agency whose officer took it: the Custer County Sheriff's Office for its own arrests, or the agency that reports for the city where it happened. Under the Montana Public Records Act the answer is due in a timely manner; the statute sets no number of days.
How long does an agency in Custer County have to answer?
Under the Montana Public Records Act, in a timely manner; the statute sets no number of days. It may charge the actual cost of fulfilling the request.
How do I get a report from the Custer County Sheriff's Office?
From its records unit, reached through the office at 877-654-8463. Under the Montana Public Records Act the answer is due in a timely manner; the statute sets no number of days.
Is this the official Custer 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.