Karnes County is in San Antonio Texas. Of the 254 counties in the Lone Star State, Karnes County ranks 212th in terms of size (753 square miles). Recent Land Network data includes approximately 1,000 acres of undeveloped land for sale in Texas's Karnes County, which is valued at a combined $4 million. The average price of undeveloped land for sale in Karnes County was $394,276. Some suggested uses for undeveloped land currently for sale in Karnes County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Karnes County include whitetail deer, dove, pig, turkey and deer. Current commercial applications for commercial property for sale in Karnes County include for hunting/fishing, commercial and homestead use. Browse all Texas undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.