A total of nearly 1,000 acres were listed for sale in Iowa's Calhoun County recently, representing a total value of around $8 million in Calhoun County land and rural real estate for sale. Calhoun County ranks 75th in Iowa for the total acreage of land currently advertised for sale. Of all locations in Calhoun County with land for sale, Rockwell City featured the most land for sale. Its economy is defined as agricultural, with 826 farms recorded in the county during the most recent U.S. Census. Farming activities in Calhoun County generate annual revenues of $30 million, most of which is from crops. Calhoun County is the 52nd biggest county (572 square miles) in Iowa. It's located in the Western Iowa region of Iowa.