The overall value of farms and rural land for sale in Washington County recently on Land.com was almost $95 million. This represents around 2,000 acres of farms, rural land, hunting land and other land for sale in Washington County. Washington County ranks sixth in the Green Mountain State for the total acreage of land currently advertised for sale. Of all locations in Washington County with land for sale, Barre had the most land for sale. Government and state-level services are the main economic drivers in Washington County. Washington County is one of the ten biggest counties in Vermont (695 square miles). It's located in the North Vermont region of Vermont.