Washita County is in Great Plains Country Oklahoma. Of the 77 counties in the state, Washita County is 19th in terms of its size (645,629 acres). Recent listings of residential land and property for sale in Washita County, Oklahoma, totals almost 1,000 acres and a combined market value of around $4 million. The most common type of land for sale by combined acreage in Washita County is house. The average price of residential acreage for sale in Washita County was $226,226. Browse all residential land and rural property for sale in Oklahoma to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.