South Texas is typically classified as the area between the San Antonio metro area and south to the Rio Grande and Gulf of Mexico. There was a total of almost $63 million of farms and ranches for sale in Texas's Dimmit County recently on Land.com. The total size of all Dimmit County land and rural real estate for sale was nearly 100,000 acres. Dimmit County ranks 207th in the Lone Star State for the total acreage of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Dimmit County, Carrizo Springs had the most land for sale. Economically speaking, Dimmit County's is largely dependent on mining and mineral extraction-related businesses and services. Dimmit County is the 31st biggest county (1,334 square miles) in Texas. It's located in the Rio Grande Plains Texas region of the state.