Land for sale in Iowa's Calhoun County recently totaled approximately $8 million and 1,000 acres. Calhoun County ranks 78th in the Cyclone State for the combined amount of land currently advertised for sale. There were three properties listed as sold in Calhoun County through the Land Network Comparable Sales Program. This represented a total value of $3,336,586. Among cities in Calhoun County with farms, ranches, hunting land and other land for sale, Rockwell City featured the most land for sale. Calhoun County has a large agricultural economy, with 826 farms recorded in the county during the latest 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 the state.