Law Enforcement Agencies in Marathon County, Wisconsin
11 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 11 law enforcement agencies in Marathon County, Wisconsin: the county sheriff's office and 10 city or town police departments.
Sheriff's Office and County Police in Marathon County
Marathon County Sheriff's OfficeCounty sheriff or police · ORI WI0370000 · NIBRS since 2019
City and Town Police Departments in Marathon County
Athens Police DepartmentCity or town police · ORI WI0370400 · NIBRS since 2021
Colby-Abbotsford Police DepartmentCity or town police · ORI WI0100400 · NIBRS since 2021
Edgar Police DepartmentCity or town police · ORI WI0370500 · NIBRS since 2020
Kronenwetter Police DepartmentCity or town police · ORI WI0371400 · NIBRS since 2019
Marathon City Police DepartmentCity or town police · ORI WI0370600 · NIBRS since 2015
Marshfield Police DepartmentCity or town police · ORI WI0720100 · NIBRS since 2021
Mosinee Police DepartmentCity or town police · ORI WI0371000 · NIBRS since 2021
Mountain Bay Metropolitan Police DepartmentCity or town police · ORI WI0371500 · NIBRS since 2024
Spencer Police DepartmentCity or town police · ORI WI0370700 · NIBRS since 2015
Wausau Police DepartmentCity or town police · ORI WI0370300 · NIBRS since 2019
Where People Arrested in Marathon 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 Marathon County?
The FBI lists 11 law enforcement agencies in Marathon County, including 10 city or town police departments. The full list is on this page.
Who runs the jail in Marathon County?
In most counties the sheriff runs the county jail. In Marathon County that is the Marathon County Sheriff's Office. See Marathon 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 WI0371400. It is useful when you request records or read crime statistics.