There was a total of around $18 million of farms and ranches for sale in Hidalgo County recently on Land.com. The total acreage of all Hidalgo County farms and ranches for sale was around 100,000 acres. Hidalgo County ranks 28th in New Mexico for the combined amount of land currently advertised for sale. Of all farms and ranches for sale in Hidalgo County, Virden had the most land for sale. From an economic perspective, government and state-level services contribute most to Hidalgo County's overall GDP. Hidalgo County is the 19th biggest county (3,447 square miles) in New Mexico. It's located in the Southwest New Mexico region of New Mexico.