Clay County is in Pines Mississippi. Of the 82 counties in the Hospitality State, Clay County is 73rd in terms of its size (416 square miles). The total value of about 1,000 acres of residential land and property recently listed for sale in Mississippi's Clay County was around $4 million. The average price of residential acreage for sale in Clay County was $334,130. Browse all residential land and rural property for sale in Mississippi 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.