Enfield is a town in Grafton County, New Hampshire, United States. The population was 4,465 at the 2020 census. The town includes the villages of Enfield, Enfield Center, Upper Shaker Village, Lower Shaker Village, Lockehaven, and Montcalm. Enfield village, the primary settlement in town, where 1,571 people resided at the 2020 census, is defined as the Enfield census-designated place, centered on U.S. Route 4 and the inlet of the Mascoma River into Mascoma Lake.