Lynnfield Police Department

Lynnfield Police Department is the municipal law-enforcement agency for the City of Lynnfield in Essex County, Massachusetts, based at 55 Summer Street.. The department serves residents, businesses, and visitors within Lynnfield limits in Essex 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. Lynnfield sits in a Massachusetts 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 Lynnfield should be reported by dialing 911.

According to the U.S. Census Bureau (ACS 2023), Lynnfield CDP, MA has an estimated population of 12,964.