Law Enforcement Agencies in Nicollet County, Minnesota
4 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 4 law enforcement agencies in Nicollet County, Minnesota: the county sheriff's office and 3 city or town police departments.
Sheriff's Office and County Police in Nicollet County
Nicollet County Sheriff's OfficeCounty sheriff or police · ORI MN0520000 · NIBRS since 2020
City and Town Police Departments in Nicollet County
Mankato Police DepartmentCity or town police · ORI MN0070100 · NIBRS since 2018
North Mankato Police DepartmentCity or town police · ORI MN0520100 · NIBRS since 2020
St. Peter Police DepartmentCity or town police · ORI MN0520200 · NIBRS since 2018
Where People Arrested in Nicollet 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.
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 Nicollet County?
The FBI lists 4 law enforcement agencies in Nicollet County, including 3 city or town police departments. The full list is on this page.
Who runs the jail in Nicollet County?
In most counties the sheriff runs the county jail. In Nicollet County that is the Nicollet County Sheriff's Office. See Nicollet 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 MN0520100. It is useful when you request records or read crime statistics.