A total of nearly 1,000 acres were listed for sale in Camas County, Idaho, recently, representing a combined almost $9 million in Camas County land and rural real estate for sale. Camas County ranks 40th in the Gem State for the total acreage of land currently advertised for sale. Of all locations in Camas County with farms and ranches for sale, Fairfield had the most land for sale. Camas County is Idaho's 29th biggest county (1,078 square miles). It's located in the Central Idaho region of the state.