The overall value of land for sale in Camas County, Idaho, recently on Land.com was around $16 million. This represents approximately 2,000 acres of farms, ranches, and rural real estate for sale in Camas County. Camas County ranks 34th in the Gem State for the total number of acres of land currently advertised for sale. Among cities in Camas County with land for sale, Fairfield had the most land for sale. Camas County is the 29th largest county (1,078 square miles) in Idaho. It's located in the Central Idaho region of Idaho.