Troy Police Department

Troy Police Department is the municipal law-enforcement agency for the City of Troy in Madison County, Illinois, based at 116 E Market Street. The department serves residents, businesses, and visitors within Troy limits in Madison County. Its area of responsibility covers patrol and response to calls for service, traffic enforcement, criminal investigations inside the city, and community policing programs that support local neighborhoods and commercial corridors. Troy sits in a Illinois community corridor linking residential and commercial areas, and the police department is the primary local law-enforcement presence for day-to-day public safety inside the city. Public safety emergencies in Troy should be reported by dialing 911.

According to the U.S. Census Bureau (ACS 2023), Troy city, IL has an estimated population of 10,889.