Chicago
United States | Illinois
Updated - July 31, 2025
Picture By: Chicago Police Department
Chicago is the third largest city by population in the United States. Chicago Police Department is the primary responding agency.
*Only agencies with a visible prescence and primary jurisdictions are listed. Other law enforcement agencies may be seen in Chicago*
-Clicking the agency's name takes you to their homepage-
Local/State Agencies
| Agency (Click Me) |
Governing Body | Type | Primary Jurisdiction |
|---|---|---|---|
| Chicago Police Department | City of Chicago | Municipal Police | City of Chicago |
| Chicago Housing Authority Police Department | Chicago Housing Authority | Housing Police | CHA properties |
| Cook County Sheriff’s Office | Cook County Sheriff | County Police | Cook County |
| Illinois State Police | Illinois | State Police | Illinois roadways |
| Northwestern Police Department | Northwestern University | Campus Police | Chicago Campus |
| University of Illinois Chicago Police Department | The University of Illinois Chicago | Campus Police | UIC Campus |
| Northeastern Illinois University Police Department | Northeastern Illinois University | Campus Police | Northeastern Campuses in Chicago |
| Chicago State University Police | Chicago State University | Campus Police | CSU Campus |
| Loyola University Chicago Police Department | Loyola University Chicago | Campus Police | LSC Campus, WTC Campus |
| Metra Police Department | Metra | Railroad Police | Metra rail system |
| Cook County Hospital Police | Cook County Health & Hospitals System | Hospital Police | Cook County Health & Hospitals System properties |
| Metropolitan Water Reclamation District Police Department | Metropolitan Water Reclamation District | Environmental Police | Cook County |
Federal Agencies
*with a visible prescence*
| Agency (Click Me) |
Governing Body | Type | Primary Jurisdiction |
|---|---|---|---|
| Law Enforcement Rangers | National Park Service | Federal Police | NPS properties |
| Amtrak Police | Amtrak | Railroad Police | Amtrak Property |
Ability to enforce the Alabama vehicle code?
| Agency | Yes/No |
|---|---|
| Chicago Police Department | Yes |
| Chicago Housing Authority Police Department | Yes |
| Cook County Sheriff’s Office | Yes |
| Illinois State Police | Yes |
| Northwestern Police Department | Yes |
| University of Illinois Chicago Police Department | Yes |
| Northeastern Illinois University Police Department | Yes |
| Chicago State University Police | Yes |
| Loyola University Chicago Police | Yes |
| Metra Police Department | Yes |
| Cook County Hospital Police | Yes |
| Metropolitan Water Reclamation District Police Department | Yes |
| Cook County Hospital Police | Yes |
| Law Enforcement Rangers | No |
| Amtrak Police | Yes |
*Federal officers can pull you over. They may issue federal traffic tickets on federal property.
Federal officers may also intervene when there is a public safety risk such as a dwi.
- Some uniformed federal officers may be deputized by the state, allowing them to enforce state traffic laws.
- Customs and Border Protection officers may conduct vehicle stops anywhere within the 100 mile zone.*