There was a total of almost $7 million of land and rural real estate for sale in Iowa's Calhoun County recently on Land.com. The total size of all Calhoun County ranches, farms, hunting land and other rural land and acreage for sale was around 1,000 acres. Calhoun County ranks 86th in Iowa for the total acreage of land currently advertised for sale. Among cities in Calhoun County with farms, ranches, hunting land and other land for sale, Manson featured the most land for sale. Agriculture and farming drives the Calhoun County economy, with 826 farms recorded in the county during the U.S. Census in 2012. 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 the state.