A total of almost 1,000 acres were listed for sale in Camas County, Idaho, recently; the combined value of all Camas County farms and ranches for sale was approximately $5 million. Camas County ranks 36th in the Gem State for the combined amount of land currently advertised for sale. Of all land for sale in Camas County, Fairfield featured the most land for sale. Camas County is the 29th biggest county (1,078 square miles) in Idaho. It's located in the Central Idaho region of Idaho.