There was a combined approximately $140 million of ranches, farms, hunting land and other rural land and acreage for sale in Idaho's Adams County recently on Land.com. The total of all Adams County ranches, farms, hunting land and other rural land and acreage for sale was around 100,000 acres. Adams County ranks 19th out of 44 counties in Idaho for the combined amount of land currently advertised for sale. Council featured the most land for sale. Government and state-level services are the main economic drivers in Adams County. Adams County is the 22nd largest county (1,369 square miles) in Idaho. It's located in the Southwestern Idaho region of the state.