Police departments in IL
813 agencies.
- Cook County Sheriff's Office
- Will County Sheriff's Office
- Du Page County Sheriff's Office
- Lake County Sheriff's Office
- Naperville Police Department School Resource Unit - Neuqua Valley Gold
- Evanston Police Dept
- Waukegan Police Dept
- St. Clair County Sheriff's Office
- Winnebago County Sheriff's Office
- Illinois Department of Natural Resources
- Schaumburg Police Dept
- Bloomington Police Dept
- Bolingbrook Police Dept
- Oak Park Police Dept
- Arlington Heights Police Department
- Skokie Police Dept
- Kendall County Sheriff's Office
- Oak Lawn Police Dept
- Berwyn Police Dept
- Hoffman Estates Police Dept
- Elk Grove Village Police Dept
- Orland Park Police Dept
- Kane County Sheriff's Office
- Calumet City Police Dept
- Mount Prospect Police Dept
- Rock Island Police Dept
- Madison County Sheriff's Office
- Downers Grove Police Dept
- Tinley Park Police Dept
- Glenview Police Dept
- Sangamon County Sheriff's Office
- Rosemont Police Dept
- Kankakee Police Dept
- Lombard Police Dept
- Addison Police Dept
- Peoria County Sheriff's Office
- Buffalo Grove Police Dept
- Harvey Police Dept
- Wheeling Police Dept
- Carpentersville Police Dept
- Crystal Lake Police Dept
- Northbrook Police Dept
- Romeoville Police Department
- Carol Stream Police Dept
- Rock Island County Sheriff's Office
- Danville Police Dept
- Gurnee Police Dept
- Niles Police Dept
- Evergreen Park Police Dept
- Kankakee County Sheriff's Office
- Lansing Police Dept
- DeKalb Police Dept
- Highland Park Police Dept
- Streamwood Police Dept
- Granite City Police Dept
- Park Ridge Police Dept
- Champaign County Sheriff's Office
- Glendale Heights Police
- Freeport Police Dept
- Plainfield Police Department
- Rolling Meadows Police Dept
- Bartlett Police Dept
- Hanover Park Police Dept
- McLean County Sheriff's Office
- Mundelein Police Dept
- St. Charles Police Dept
- Urbana Police Dept
- Burbank Police Dept
- Knox County Sheriff's Office
- Woodridge Police Dept
- Franklin Park Police Dept
- Algonquin Police Dept
- Macon County Sheriff's Office
- Oswego Police Dept
- West Chicago Police Dept
- Country Club Hills Police Department
- Vernon Hills Police Dept
- Macoupin County Sheriff's Office
- O'Fallon Police Dept
- Batavia Police Dept
- Collinsville Police Dept
- Wilmette Police Dept
- Belvidere Police Dept
- Bridgeview Police Dept
- Lisle Police Dept
- Mount Vernon Police Dept
- Round Lake Beach Police Dept
- Lake Forest Police Dept
- Oak Brook Police Dept
- DeKalb County Sheriff's Office
- Lake In The Hills Police Dept
- Park Forest Police Dept
- Saline County Sheriff's Office
- Villa Park Police Dept
- Bloomingdale Police Dept
- Dolton Police Dept
- Fairview Heights Police Department
- Glen Ellyn Police Dept
- Tazewell County Sheriff's Office
- Libertyville Police Dept
- New Lenox Police Department
- Westmont Police Dept
- Alsip Police Dept
- Blue Island Police Dept
- Boone County Sheriff's Office
- Forest Park Police Dept
- Northlake Police Dept
- Woodstock Police Dept
- Darien Police Dept.
- Deerfield Police Dept
- Homewood Police Dept
- Markham Police Dept
- Bedford Park Police Department
- Riverdale Police Dept
- Roselle Police Dept
- La Salle County Sheriff's Office
- Matteson Police Deot,
- Ottawa Police Dept
- Bradley Police Dept
- Elmwood Park Police Dept
- Glencoe Dept of Public Safety
- Loves Park Police Department
- Mokena Police Department
- Wood Dale Police Dept
- Lincolnwood Police Dept
- Schiller Park Police Dept
- Cahokia Police Department
- Edwardsville Police Dept
- Vermilion County Sheriff's Office
- Chicago Ridge Police Dept
- Cook County Forest Preserve District Police
- Grundy County Sheriff's Office
- Rantoul Police Dept
- Huntley Police Dept
- Lemont Police Dept
- Marion Police Dept
- Oak Forest Police Dept
- Ogle County Sheriff's Office
- Warrenville Police Dept
- Yorkville Police Dept
- Adams County Sheriff's Office
- Bensenville Police Dept
- Burr Ridge Police Dept
- Hickory Hills Police Dept
- Hillside Police Dept
- Lee County Sheriff's Office
- Livingston County Sheriff's Office
- Macomb Police Dept
- Stephenson County Sheriff's Office
- Summit Police Dept
- Sycamore Police Dept.
- Williamson County Sheriff's Office
- Antioch Police Dept
- Dixon Police Department
- Hinsdale Police Dept
- Lyons Police Dept
- Midlothian Police Dept
- La Grange Police Dept
- Palos Heights Police Dept
- Sauk Village Police Dept
- Shorewood Police Department
- Steger Police Dept
- Winnetka Police Dept
- Cary Police Dept
- Channahon Police Dept
- Clinton County Sheriff's Office
- Countryside Police Dept
- Fox Lake Police Department
- Jackson County Sheriff's Office
- Peru Police Dept
- Prospect Heights Police Dept
- Richton Park Police Dept
- Willowbrook Police Dept
- Itasca Police Dept
- Lincoln Police Dept
- Lincolnshire Police Dept
- McHenry County Sheriff's Office
- Western Illinois University Office of Public Safety
- Coles County Sheriff's Office
- Crest Hill Police Dept
- Justice Police Dept
- Kewanee Police Dept
- Lasalle Police Dept
- Streator Police Dept
- Wheaton Police Dept
- La Grange Park Police Dept
- Pontiac Police Dept
- Whiteside County Sheriff's Office
- Bourbonnais Police Department
- Hodgkins Police Dept
- Jefferson County Sheriff's Office
- Morton Police Dept
- Swansea Police Department
- Taylorville Police Dept
- Washington Police Dept
- Calumet Park Police Dept
- Crete Police Department
- Fulton County Sheriff's Office
- Harwood Heights Police Dept
- Lake Zurich Police Dept