La Grange Police Department

La Grange Police Department is the municipal law-enforcement agency for the Village of La Grange in Cook County, Illinois. The department serves residents, businesses, and commuters within La Grange village limits along the Burlington corridor west of Chicago. Its area of responsibility covers patrol and response to calls for service, traffic enforcement, criminal investigations inside the village, and community policing across downtown and residential neighborhoods. La Grange is a classic western Cook County suburb, and the police department is the primary local law-enforcement presence for day-to-day public safety inside the village. Public safety emergencies in La Grange should be reported by dialing 911.

According to the U.S. Census Bureau (ACS 2023), La Grange village, IL has an estimated population of 15,999.