There was a combined approximately $6 million of land for sale in Calhoun County, Iowa, 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 80th in the state for the total number of acres of land currently advertised 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 largest county (572 square miles) in Iowa. It's located in the Western Iowa region of Iowa.