A total of 1,000 acres were listed for sale in Iowa's Calhoun County recently; the overall value of all Calhoun County farms, ranches, hunting land and other land for sale was $12 million. Calhoun County ranks 66th out of 99 counties in the Hawkeye State for the combined amount of land currently advertised for sale. Among cities in Calhoun County with 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 Iowa's 52nd biggest county (572 square miles). It's located in the Western Iowa region of Iowa.