The combined value of land and rural real estate for sale in Idaho's Clark County recently on Land.com was almost $30 million. This represents nearly 2,000 acres of land and rural real estate for sale in Clark County. Clark County ranks 44th out of 44 counties in Idaho for the total number of acres of land currently advertised for sale. Of all locations in Clark County with farms, ranches, hunting land and other land for sale, Dubois featured the most land for sale. Agriculture and farming drives the Clark County economy, with 72 farms recorded in the county during the U.S. Census in 2012. Farming activities in Clark County generate annual revenues of $186,000, most of which is from crops. Clark County is Idaho's 19th biggest county (1,764 square miles). It's located in the Eastern Idaho region of the state.