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 combined almost $16 million of land for sale in Texas's Willacy County recently on Land.com. The total of all Willacy County farms, ranches, and rural real estate for sale was almost 2,000 acres. Willacy County ranks 202nd in the Lone Star State for the combined amount of land currently advertised for sale. Among cities in Willacy County with farms and ranches for sale, Raymondville had the most land for sale. Willacy County is the 209th largest county (784 square miles) in Texas. It's located in the Lower Rio Grande Valley Texas region of the state.