South Texas is typically classified as the area between the San Antonio metro area and south to the Rio Grande and Gulf of Mexico. The value of all land for sale in Texas's Zapata County recently was approximately $49 million, representing a total of 17,479 acres of land for sale in Zapata County. Zapata County ranks 220th in Texas for the combined amount 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 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 biggest county (1,058 square miles) in Texas. It's located in the Rio Grande Plains Texas region of Texas.