Decatur Police Department

Decatur Police Department is the municipal law-enforcement agency for the City of Decatur in Macon County, Illinois, based at 707 W South Side Drive. The department serves residents, businesses, and visitors within Decatur limits in Macon 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. Decatur sits along Illinois travel and commerce routes that bring daily traffic through the area, and the police department is the primary local law-enforcement presence for day-to-day public safety inside the city. Public safety emergencies in Decatur should be reported by dialing 911.

According to the U.S. Census Bureau (ACS 2023), Decatur city, IL has an estimated population of 70,368.