Law Enforcement Agencies in Iroquois County, Illinois
6 agenciesFBI UCR list
The FBI's Uniform Crime Reporting program lists 6 law enforcement agencies in Iroquois County, Illinois: the county sheriff's office and 5 city or town police departments.
Sheriff's Office and County Police in Iroquois County
Iroquois County Sheriff's OfficeCounty sheriff or police · ORI IL0380000 · NIBRS since 2021
City and Town Police Departments in Iroquois County
Clifton Police DepartmentCity or town police · ORI IL0381100 · NIBRS since 2023
Milford Police DepartmentCity or town police · ORI IL0380300
Onarga Police DepartmentCity or town police · ORI IL0380400 · NIBRS since 2021
Sheldon Police DepartmentCity or town police · ORI IL0380500
Watseka Police DepartmentCity or town police · ORI IL0380100 · NIBRS since 2021
Where People Arrested in Iroquois 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 Iroquois County?
The FBI lists 6 law enforcement agencies in Iroquois County, including 5 city or town police departments. The full list is on this page.
Who runs the jail in Iroquois County?
In most counties the sheriff runs the county jail. In Iroquois County that is the Iroquois County Sheriff's Office. See Iroquois 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 IL0380100. It is useful when you request records or read crime statistics.
