A combined around 2,000 acres were listed for sale in Addison County recently; the combined value of all Addison County farms, hunting land and other rural land and acreage for sale was almost $87 million. Addison County ranks 12th in the Green Mountain State for the total number of acres of land currently advertised for sale. Of all locations in Addison County with farms and rural land for sale, Monkton featured the most land for sale. Addison County is one of the ten biggest counties in Vermont (807 square miles). It's located in the North Vermont region of the state.