A combined nearly 2,000 acres were listed for sale in Washington County, Mississippi, recently; the combined value of all Washington County farms, hunting land and other rural land and acreage for sale was around $5 million. Washington County ranks 77th in the Hospitality State for the combined amount of land currently advertised for sale. Greenville had the most land for sale. Washington County is Mississippi's 13th biggest county (761 square miles). It's located in the Delta Mississippi region of the state.