Police and sheriff · Minnesota

Law Enforcement Agencies in Polk County, Minnesota

5 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 5 law enforcement agencies in Polk County, Minnesota: the county sheriff's office, 3 city or town police departments and 1 other agency.

Sheriff's Office and County Police in Polk County

  • Polk County Sheriff's OfficeCounty sheriff or police · ORI MN0600000 · NIBRS since 2019

City and Town Police Departments in Polk County

  • Crookston Police DepartmentCity or town police · ORI MN0600100 · NIBRS since 2019
  • East Grand Forks Police DepartmentCity or town police · ORI MN0600200 · NIBRS since 2019
  • Fosston Police DepartmentCity or town police · ORI MN0600300 · NIBRS since 2022

Other Law Enforcement Agencies in Polk County

  • Pine To Prairie Drug Task ForceOther agency · ORI MN0601300

Where People Arrested in Polk 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 Polk County?
The FBI lists 5 law enforcement agencies in Polk County, including 3 city or town police departments. The full list is on this page.
Who runs the jail in Polk County?
In most counties the sheriff runs the county jail. In Polk County that is the Polk County Sheriff's Office. See Polk 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 MN0601300. It is useful when you request records or read crime statistics.