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 5,000 acres were listed for sale in Willacy County recently, representing a total value of nearly $30 million in Willacy County land for sale. Willacy County ranks 203rd in the Lone Star State for the total acreage of land currently advertised for sale. Of all locations in Willacy County with farms, ranches, hunting land and other land for sale, Raymondville featured the most land for sale. Willacy County is the 209th biggest county (784 square miles) in Texas. It's located in the Lower Rio Grande Valley Texas region of Texas.