Franklin County is a nongovernmental county located in the U.S. state of Massachusetts. As of the 2010 census, the population was 71,372. Its largest community, and traditional county seat, is Greenfield. Franklin County is part of the Springfield Metropolitan Statistical Area. Franklin County was created on 24 June 1811 from the northern third of Hampshire County. Franklin County was abolished by state government in 1997, at the county's request.