Lexington Police Department

Lexington Police Department is the municipal law-enforcement agency for the City of Lexington in Middlesex County, Massachusetts, based at 911 View a joint St. The department serves residents, businesses, and visitors within Lexington limits in Middlesex 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. Lexington sits across a Massachusetts jurisdiction where seasonal and year-round residents share the roads, and the police department is the primary local law-enforcement presence for day-to-day public safety inside the city. Public safety emergencies in Lexington should be reported by dialing 911.

According to the U.S. Census Bureau (ACS 2023), Lexington CDP, MA has an estimated population of 34,085.