Police and sheriff · Illinois

Law Enforcement Agencies in Rock Island County, Illinois

9 agenciesFBI UCR list

The FBI's Uniform Crime Reporting program lists 9 law enforcement agencies in Rock Island County, Illinois: the county sheriff's office, 7 city or town police departments and 1 campus police department.

Sheriff's Office and County Police in Rock Island County

  • Rock Island County Sheriff's OfficeCounty sheriff or police · ORI IL0810000 · NIBRS since 2021

City and Town Police Departments in Rock Island County

  • Coal Valley Police DepartmentCity or town police · ORI IL0810300 · NIBRS since 2021
  • East Moline Police DepartmentCity or town police · ORI IL0810400 · NIBRS since 2021
  • Hillsdale Police DepartmentCity or town police · ORI IL0811400
  • Milan Police DepartmentCity or town police · ORI IL0810500 · NIBRS since 2021
  • Moline Police DepartmentCity or town police · ORI IL0810600 · NIBRS since 2021
  • Rock Island Police DepartmentCity or town police · ORI IL0810800 · NIBRS since 2021
  • Silvis Police DepartmentCity or town police · ORI IL0810900 · NIBRS since 2020

College and University Police in Rock Island County

  • Black Hawk College: MolineCollege or university police · ORI IL0811300 · NIBRS since 2023

Where People Arrested in Rock Island 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.

Law Enforcement in Other Illinois Counties

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 Rock Island County?
The FBI lists 9 law enforcement agencies in Rock Island County, including 7 city or town police departments. The full list is on this page.
Who runs the jail in Rock Island County?
In most counties the sheriff runs the county jail. In Rock Island County that is the Rock Island County Sheriff's Office. See Rock Island 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 IL0810900. It is useful when you request records or read crime statistics.