Land for sale in Iowa's Calhoun County recently totaled around $11 million and nearly 1,000 acres. Calhoun County ranks 73rd out of 99 counties in Iowa for the total number of acres 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 $3,046,430. Rockwell City had 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 Iowa's 52nd biggest county (572 square miles). It's located in the Western Iowa region of the state.