There was a combined almost $157 million of land and rural real estate for sale in Windham County, Vermont, recently on Land.com. The total acreage of all Windham County farms, rural land, hunting land and other land for sale was nearly 4,000 acres. Windham County ranks first in the state based on the total acres of land for sale of the 14 counties in the Green Mountain State. 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, tourism and recreation are important contributors to the Windham County economy. Windham County is one of the ten biggest counties in Vermont (798 square miles). It's located in the South Vermont region of Vermont.