The value of all farms, ranches, hunting land and other land for sale in Idaho's Clark County recently was $2 million, representing a total of 658 acres of land for sale in Clark County. Clark County ranks 43rd in the state for the combined amount of land currently advertised for sale. Of all locations in Clark County with 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 the 19th largest county (1,764 square miles) in Idaho. It's located in the Eastern Idaho region of the state.