Land for sale in Windham County, Vermont, recently totaled approximately $209 million and 7,000 acres. Windham County ranks second based on the total amount of acres of land for sale of the 14 counties in the Green Mountain State. Of all farms, rural land, hunting land and other land for sale in Windham County, Dover featured 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.