Lynnfield is a town in Essex County, Massachusetts, which initially consisted of two separate villages with a single governing body. Lynnfield Center comprises mostly an agricultural population, while South Lynnfield boasted a mixed culture. Together, the two towns evolved into one of the most prosperous suburbs in the North Shore region of Massachusetts.
The town of Lynnfield was first settled in 1638 and was made a district in 1782. It was later officially incorporated in 1842. According to the United States Census Bureau, the town has a total area of 10.5 square miles (27.1 km2), of which 9.9 square miles (25.6 km2) is land and 0.58 square miles (1.5 km2) is water. The Ipswich River forms the northern border of the town, with several lakes and ponds dotting the town, including Walden Pond, a less famous cousin of the one in Concord.
Lynnfield lies along the western border of Essex County, bordered by the Middlesex County towns of Wakefield to the southwest, Reading to the west and North Reading to the north and northwest. Within Essex County, the town is bordered by a small portion of Middleton to the northeast, Peabody to the east, Lynn to the southeast and Saugus to the south. Interstate 95 and Route 128 pass concurrently through town twice. U.S. Route 1 and Massachusetts Route 129 also enter the town concurrently, separating in the southeast corner of town, at the Lynnfield Tunnel, a local traffic landmark.