The combined value of land for sale in Calhoun County, Iowa, recently on Land.com was around $6 million. This represents nearly 1,000 acres of farms, ranches, and rural real estate for sale in Calhoun County. Calhoun County ranks 83rd in the Cyclone State for the combined amount of land currently advertised for sale. Of all locations in Calhoun County with farms and ranches for sale, Manson 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.