Law Enforcement Agencies in Waukesha County, Wisconsin
24 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 24 law enforcement agencies in Waukesha County, Wisconsin: the county sheriff's office and 23 city or town police departments.
Sheriff's Office and County Police in Waukesha County
Waukesha County Sheriff's OfficeCounty sheriff or police · ORI WI0680000 · NIBRS since 2020
City and Town Police Departments in Waukesha County
Big Bend Police DepartmentCity or town police · ORI WI0682600 · NIBRS since 2023
Brookfield Police DepartmentCity or town police · ORI WI0680100 · NIBRS since 2020
Brookfield Township Police DepartmentCity or town police · ORI WI0681800 · NIBRS since 2023
Butler Police DepartmentCity or town police · ORI WI0680900 · NIBRS since 2020
Chenequa Police DepartmentCity or town police · ORI WI0681000 · NIBRS since 2020
Delafield Police DepartmentCity or town police · ORI WI0680700 · NIBRS since 2020
Eagle Village Police DepartmentCity or town police · ORI WI0682500 · NIBRS since 2022
Elm Grove Police DepartmentCity or town police · ORI WI0680200 · NIBRS since 2018
Hartland Police DepartmentCity or town police · ORI WI0681100 · NIBRS since 2020
Lannon Police DepartmentCity or town police · ORI WI0682200 · NIBRS since 2025
Menomonee Falls Police DepartmentCity or town police · ORI WI0680300 · NIBRS since 2020
Mukwonago Police DepartmentCity or town police · ORI WI0681200 · NIBRS since 2014
Mukwonago Town Police DepartmentCity or town police · ORI WI0683300 · NIBRS since 2021
Muskego Police DepartmentCity or town police · ORI WI0680600 · NIBRS since 2006
Nashotah Police DepartmentCity or town police · ORI WI0683200 · NIBRS since 2023
New Berlin Police DepartmentCity or town police · ORI WI0680400 · NIBRS since 2006
North Prairie Police DepartmentCity or town police · ORI WI0683000 · NIBRS since 2021
Oconomowoc Lake Police DepartmentCity or town police · ORI WI0681300
Oconomowoc Police DepartmentCity or town police · ORI WI0680800 · NIBRS since 2016
Pewaukee Village Police DepartmentCity or town police · ORI WI0681400 · NIBRS since 2014
Summit Police DepartmentCity or town police · ORI WI0681600 · NIBRS since 2021
Village of Lac La Belle Police DepartmentCity or town police · ORI WI0682800 · NIBRS since 2025
Waukesha Police DepartmentCity or town police · ORI WI0680500 · NIBRS since 2019
Where People Arrested in Waukesha 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 Waukesha County?
The FBI lists 24 law enforcement agencies in Waukesha County, including 23 city or town police departments. The full list is on this page.
Who runs the jail in Waukesha County?
In most counties the sheriff runs the county jail. In Waukesha County that is the Waukesha County Sheriff's Office. See Waukesha 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 WI0681800. It is useful when you request records or read crime statistics.
