There was a combined almost $285 million of farms, rural land, hunting land and other land for sale in Fauquier County, Virginia, recently on Land.com. The total of all Fauquier County farms, hunting land and other rural land and acreage for sale was approximately 10,000 acres. Fauquier County ranks 24th based on the total amount of acres of land for sale of all the counties in the Old Dominion. Of all locations in Fauquier County with land and rural real estate for sale, Warrenton featured the most land for sale. Fauquier County is one of the ten biggest counties in Virginia (651 square miles). It's located in the Northern Virginia region of the state.