Greenfield is a city in Franklin County, Massachusetts, United States. Greenfield was first settled in 1686. The population was 17,456 at the 2010 census. It is the county seat of Franklin County. Greenfield is home to Greenfield Community College, the Pioneer Valley Symphony Orchestra, and the Franklin County Fair. The city has a Main Street Historic District containing fine examples of Federal, Greek Revival, and Victorian architecture.
Greenfield is part of the Springfield, Massachusetts, Metropolitan Statistical Area.
Pocumtuck Indians first settled and originally inhabited the Greenfield area. Native American artifacts found in the area have been dated between 7,000 and 9,000 years B.C. The Pocumtucks planted field crops and fished local rivers. Some sources claim that they were wiped out by the Mohawks in 1664 and that the land was left unoccupied.