The overall value of farms and rural land for sale in Windham County recently on Land.com was around $159 million. This represents nearly 4,000 acres of farms and rural real estate for sale in Windham County. Windham County ranks first based on the combined acreage of land for sale among the 14 counties in Vermont. Among cities in Windham County with land and rural real estate for sale, Wilmington had the most land for sale. Based on its natural assets, Windham County's economy is dependent on tourism and recreation. Windham County is one of the ten largest counties in Vermont (798 square miles). It's located in the South Vermont region of the state.