The value of all land for sale in Mississippi's Wayne County recently was $11 million, representing a combined 1,774 acres of land for sale in Wayne County. Wayne County ranks 53rd out of 82 counties in the Magnolia State for the combined amount of land currently advertised for sale. Of all locations in Wayne County with farms and rural real estate for sale, Waynesboro had the most land for sale. Wayne County is one of the ten biggest counties in Mississippi (813 square miles). It's located in the Coastal Mississippi region of the state.