Police and sheriff · Minnesota

Law Enforcement Agencies in Pennington County, Minnesota

3 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 3 law enforcement agencies in Pennington County, Minnesota: the county sheriff's office, 1 city or town police department and 1 state police post.

Sheriff's Office and County Police in Pennington County

  • Pennington County Sheriff's OfficeCounty sheriff or police · ORI MN0570000 · NIBRS since 2020

City and Town Police Departments in Pennington County

  • Thief River Falls Police DepartmentCity or town police · ORI MN0570100 · NIBRS since 2020

State Police in Pennington County

  • State Patrol: Thief River FallsState police · ORI MNMHP0900 · NIBRS since 2019

Where People Arrested in Pennington County Are Held

In most U.S. counties, adults arrested by city police, the sheriff or state troopers are booked into the county jail first. Some larger cities run their own holding jail, so if a person is not on the county roster, call the arresting department.

Law Enforcement in Other Minnesota Counties

Agency names, types and ORI codes come from the FBI Crime Data Explorer agency list, retrieved November 2026. NIBRS dates show when an agency began reporting incident-level crime data to the FBI.

Frequently Asked Questions

How many police departments are in Pennington County?
The FBI lists 3 law enforcement agencies in Pennington County, including 1 city or town police departments. The full list is on this page.
Who runs the jail in Pennington County?
In most counties the sheriff runs the county jail. In Pennington County that is the Pennington County Sheriff's Office. See Pennington County Jail on this site for the jail's roster or contact details.
What is an ORI number?
An ORI is the nine-character identifier the FBI assigns to each law enforcement agency for crime reporting, for example MN0570000. It is useful when you request records or read crime statistics.