Law Enforcement Agencies in Kendall County, Illinois
10 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 10 law enforcement agencies in Kendall County, Illinois: the county sheriff's office and 9 city or town police departments.
Sheriff's Office and County Police in Kendall County
Kendall County Sheriff's OfficeCounty sheriff or police · ORI IL0470000 · NIBRS since 2021
City and Town Police Departments in Kendall County
Aurora Police DepartmentCity or town police · ORI IL0450100 · NIBRS since 2022
Joliet Police DepartmentCity or town police · ORI IL0990700 · NIBRS since 2021
Minooka Police DepartmentCity or town police · ORI IL0320600 · NIBRS since 2022
Montgomery Police DepartmentCity or town police · ORI IL0450900 · NIBRS since 2020
Oswego Police DepartmentCity or town police · ORI IL0470300 · NIBRS since 2021
Plainfield Police DepartmentCity or town police · ORI IL0991100 · NIBRS since 2021
Plano Police DepartmentCity or town police · ORI IL0470100 · NIBRS since 2021
Sandwich Police DepartmentCity or town police · ORI IL0190300 · NIBRS since 2021
Yorkville Police DepartmentCity or town police · ORI IL0470200 · NIBRS since 2021
Where People Arrested in Kendall 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 Kendall County?
The FBI lists 10 law enforcement agencies in Kendall County, including 9 city or town police departments. The full list is on this page.
Who runs the jail in Kendall County?
In most counties the sheriff runs the county jail. In Kendall County that is the Kendall County Sheriff's Office. See Kendall County Public Safety Center 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 IL0470100. It is useful when you request records or read crime statistics.