South Texas is typically classified as the area between the San Antonio metro area and south to the Rio Grande and Gulf of Mexico. A total of 4,000 acres were listed for sale in Kleberg County recently, representing a total value of $64 million in Kleberg County land for sale. Kleberg County ranks 140th in Texas for the combined amount of land currently advertised for sale. Among cities in Kleberg County with land and rural real estate for sale, Kingsville had the most land for sale. Government and state-level services are the main economic drivers in Kleberg County. Kleberg County is Texas's 56th biggest county (1,090 square miles). It's located in the Coastal Prairie South Texas region of the state.