There was a combined almost $29 million of land and rural real estate for sale in Sierra County recently on Land.com. The total of all Sierra County farms, ranches, hunting land and other land for sale was around 100,000 acres. Sierra County ranks 22nd out of 33 counties in the Land of Enchantment for the total number of acres of land currently advertised for sale. Among cities in Sierra County with farms and ranches for sale, Elephant Butte featured the most land for sale. From an economic perspective, government and state-level services contribute most to Sierra County's overall GDP. Sierra County is the 12th largest county (4,238 square miles) in New Mexico. It's located in the Southwest New Mexico region of New Mexico.