A combined 1,000 acres were listed for sale in Iowa's Calhoun County recently; the combined value of all Calhoun County farms, ranches, hunting land and other land for sale was almost $11 million. Calhoun County ranks 72nd in the Cyclone State for the total number of acres of land currently advertised for sale. Of all farms, ranches, and rural real estate for sale in Calhoun County, 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 largest county (572 square miles) in Iowa. It's located in the Western Iowa region of Iowa.