Deerfield is a town in Franklin County, Massachusetts, United States. The population was 4,750 as of the 2000 census. Deerfield is part of the Springfield, Massachusetts Metropolitan Statistical Area in Western Massachusetts, lying only 30 miles (49 km) north of the city of Springfield.
Deerfield includes the villages of South Deerfield and Historic Deerfield; the latter is an historic district that preserves colonial and Federal houses, features house museums, and a museum about Massachusetts' colonial period. The district has been designated a National Historic Landmark and is a center of heritage tourism in the Pioneer Valley near the Connecticut River.
Deerfield has numerous schools, including Deerfield Academy, a private secondary school preparatory school; Frontier Regional High School, Deerfield Elementary and two separate private junior boarding schools, a co-ed school, Bement School and Eaglebrook School, which is all boys.