Clay County is in North Central Plains Texas. Of the 254 counties in the Lone Star State, 714,722-acre Clay County ranks 51st by size. A recent survey of Land Network data shows almost 2,000 acres of residential land for sale in Texas's Clay County, which is valued at a combined $17 million. The average price of residential acreage for sale in Clay County was $685,667. Browse all residential land and rural property for sale in Texas 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.