The total value of farms and ranches for sale in Iowa's Cass County recently on Land.com was nearly $9 million. This represents almost 1,000 acres of land for sale in Cass County. Cass County ranks 67th out of 99 counties in the Cyclone State for the combined amount of land currently advertised for sale. Among cities in Cass County with land and rural real estate for sale, Atlantic featured the most land for sale. Cass County is the 60th largest county (564 square miles) in Iowa. It's located in the Western Iowa region of Iowa.