The value of all land for sale in Vermont's Windham County recently was nearly $172 million, representing a total of 3,184 acres of land for sale in Windham County. Windham County ranks first based on the total amount of acres of land for sale among the 14 counties in the Green Mountain State. Of all farms, hunting land and other rural land and acreage for sale in Windham County, Wilmington featured 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 the state.