The overall value of farms, ranches, hunting land and other land for sale in New Mexico's Union County recently on Land.com was almost $55 million. This represents approximately 100,000 acres of farms, ranches, hunting land and other land for sale in Union County. Union County ranks 29th in the Land of Enchantment for the total acreage of land currently advertised for sale. Of all land and rural real estate for sale in Union County, Sedan featured the most land for sale. Its economy is defined as agricultural, with 353 farms recorded in the county during the most recent U.S. Census. Farming activities in Union County generate annual revenues of $2 million, the majority of which comes from livestock products. Union County is the 15th biggest county (3,831 square miles) in New Mexico. It's located in the Northeast New Mexico region of the state.