A total of 2,000 acres were listed for sale in Massachusetts's Franklin County recently, representing a combined $42 million in Franklin County farmsand rural real estate for sale. Franklin County ranks 10th out of 14 counties in the state for the combined amount of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Franklin County, Greenfield featured the most land for sale. Franklin County is one of the ten biggest counties in Massachusetts (724 square miles). It's located in the Western Massachusetts region of Massachusetts.