There was a combined around $97 million of ranches, farms, hunting land and other rural land and acreage for sale in Idaho's Custer County recently on Land.com. The total size of all Custer County farms, ranches, and rural real estate for sale was almost 4,000 acres. Custer County ranks 37th in the state for the total number of acres of land currently advertised for sale. Of all locations in Custer County with farms and ranches for sale, Stanley featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Idaho. Custer County is one of the ten largest counties in Idaho (4,938 square miles). It's located in the Central Idaho region of Idaho.