A combined approximately 100,000 acres were listed for sale in Union County, New Mexico, recently; the value of all Union County farms, ranches, hunting land and other land for sale was almost $55 million. Union County ranks 28th out of 33 counties in the Land of Enchantment for the total number of acres of land currently advertised for sale. 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 largest county (3,831 square miles) in New Mexico. It's located in the Northeast New Mexico region of the state.