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 between September 24, 2026 and September 30, 2026.
Blaine County, Montana, has about 6,900 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Blaine County depends on where the incident happened: the Blaine 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: Blaine County public records, Blaine County arrest records, Blaine County warrants, Blaine County criminal records, Blaine County court records, Montana arrest records and Montana inmate search.
Which Agency Holds a Report from Blaine 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 Blaine County that is the Blaine 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 Blaine County Sheriff's Office
The Blaine County Sheriff's Office is the county agency; it had 1 violent and 7 property crimes reported for 2025 and reported 12 arrests for 2025.
Its reports come from its records unit.
Reports from the City Agencies in Blaine County
The one city the FBI lists in Blaine County with a reporting agency of its own:
- Chinook: 0 violent and 7 property crimes reported for 2025; 6 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: Blaine County in 2025
The two agencies in Blaine County with all twelve months of 2025 on file reported 1 violent and 14 property crimes to the FBI that year, each one a report taken by the agency that holds it.
Together, the two agencies in Blaine County with all twelve months of 2025 on file reported 18 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, 406-357-3220, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Blaine County?
From the agency whose officer took it: the Blaine 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 Blaine 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 Blaine County Sheriff's Office?
From its records unit. 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 Blaine 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.