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.
Fergus 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 Fergus County depends on where the incident happened: the Fergus 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: Fergus County public records, Fergus County arrest records, Fergus County warrants, Fergus County inmate search, Fergus County criminal records, Montana arrest records and Montana inmate search.
Which Agency Holds a Report from Fergus County
The report of an incident is released by the agency that took it; the court and the jail hold their own records of the same event, but not the report.
In Fergus County that is the Fergus 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 Fergus County Sheriff's Office
The Fergus County Sheriff's Office is the county agency; it had 9 violent and 25 property crimes reported for 2025 and reported 19 arrests for 2025.
Its reports come from its records unit, reached through the office at (406) 535-3415. The office's page SearchSystems verified is its custody page, at fergusmt.gov/detention-center-roster (page title: Fergus County, Montana | Detention Center Roster), phone (406) 535-3415, 712 W Main St, Lewistown, MT 59457, Mon - Fri, 8:00am - 5:00pm, which answered when SearchSystems opened it on September 24, 2026.
Reports from the City Agencies in Fergus County
The one city the FBI lists in Fergus County with a reporting agency of its own:
- Lewistown: 40 violent and 73 property crimes reported for 2025; 189 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: Fergus County in 2025
The two agencies in Fergus County with all twelve months of 2025 on file reported 49 violent and 98 property crimes to the FBI that year, each one a report taken by the agency that holds it.
Together, the two agencies in Fergus County with all twelve months of 2025 on file reported 208 arrests to the FBI that year, and each arrest is a report of its own.
What the Montana Public Records Act Requires
The Montana Public Records Act sets the rules: an answer in a timely manner; the statute sets no number of days, at a charge of the actual cost of fulfilling the request, from the agency that holds the report.
A defendant who has been charged gets the report through the case: the County Attorney, (406) 535-8127, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Fergus County?
From the agency whose officer took it: the Fergus 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 Fergus 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 Fergus County Sheriff's Office?
From its records unit, reached through the office at (406) 535-3415. 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 Fergus 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.