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 farms, ranches, hunting land and other land for sale in Texas's Frio County recently was almost $170 million, representing a combined 29,594 acres of land for sale in Frio County. Frio County ranks 156th out of 254 counties in the Lone Star State for the total acreage of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Frio County, Pearsall had the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Texas. Frio County is the 50th largest county (1,134 square miles) in Texas. It's located in the Edwards Plateau South Texas region of the state.