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 around 100,000 acres were listed for sale in Zapata County recently; the overall value of all Zapata County land and rural real estate for sale was around $48 million. Zapata County ranks 218th in the state for the combined amount of land currently advertised for sale. Among cities in Zapata County with ranches, farms, hunting land and other rural land and acreage for sale, Zapata had the most land for sale. Economically speaking, Zapata County's is largely dependent on mining and mineral extraction-related businesses and services. Zapata County is the 69th largest county (1,058 square miles) in Texas. It's located in the Rio Grande Plains Texas region of the state.