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 100,000 acres were listed for sale in Zapata County, Texas, recently, representing a combined approximately $51 million in Zapata County farms, ranches, hunting land and other land for sale. Zapata County ranks 215th out of 254 counties in the Lone Star State for the total acreage of land currently advertised for sale. Among cities in Zapata County with farms, ranches, and rural real estate for sale, Zapata had 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.