San Patricio County is in Coastal Prairie South Texas. Of the 254 counties in the Lone Star State, San Patricio County ranks 220th in terms of size (707 square miles). Texas's San Patricio County has almost 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was around $90 million. The average price of residential acreage for sale in San Patricio County was $527,310. 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.