Duval County is in Rio Grande Plains Texas. Of the 254 counties in the Lone Star State, Duval County is 14th in terms of its size (1,795 square miles). Duval County, Texas, has about 2,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was almost $6 million. The average price of undeveloped acreage for sale in Duval County was $297,654. Some suggested uses for undeveloped land currently for sale in Duval County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Duval County include whitetail deer, dove, pig, turkey and deer. Current commercial applications for commercial property for sale in Duval County include for hunting/fishing, commercial and homestead use. Browse all Texas undeveloped land for sale on the Land Network to find your next commercial property or land investment.