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 combined 100,000 acres were listed for sale in Zapata County recently; the overall value of all Zapata County farms, ranches, and rural real estate for sale was nearly $49 million. Zapata County ranks 215th in the state for the total number of acres of land currently advertised for sale. Of all locations in Zapata County with ranches, farms, hunting land and other rural land and acreage for sale, Zapata featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Texas. Zapata County is Texas's 69th largest county (1,058 square miles). It's located in the Rio Grande Plains Texas region of Texas.