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 nearly 100,000 acres were listed for sale in Dimmit County, Texas, recently, representing a total value of $77 million in Dimmit County ranches, farms, hunting land and other rural land and acreage for sale. Dimmit County ranks 200th out of 254 counties in the Lone Star State for the total acreage of land currently advertised for sale. Carrizo Springs featured 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 Texas.