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 combined almost 100,000 acres were listed for sale in Dimmit County recently; the value of all Dimmit County farms, ranches, hunting land and other land for sale was around $83 million. Dimmit County ranks 195th out of 254 counties in the Lone Star State for the total acreage of land currently advertised for sale. Among cities in Dimmit County with land and rural real estate for sale, 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 Texas.