Land for sale in Big Horn County, Wyoming, recently totaled around $104 million and almost 100,000 acres. Big Horn County ranks 10th out of 23 counties in the Cowboy State for the total number of acres of land currently advertised for sale. There were four properties listed as sold in Big Horn County through the Land Network Comparable Sales Program. This represented a total value of $1,186,000. Of all locations in Big Horn County with ranches, farms, hunting land and other rural land and acreage for sale, Basin had the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Wyoming. Big Horn County is the 13th largest county (3,158 square miles) in Wyoming. It's located in the Northwest Wyoming region of Wyoming.