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 Zapata County recently was $49 million, representing a combined 17,530 acres of land for sale in Zapata County. Zapata County ranks 218th out of 254 counties in the Lone Star State for the total number of acres of land currently advertised for sale. Of all locations in Zapata County with farms, ranches, and rural real estate 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 Texas's 69th biggest county (1,058 square miles). It's located in the Rio Grande Plains Texas region of the state.