The combined value of farms, ranches, and rural real estate for sale in Cass County, Iowa, recently on Land.com was $6 million. This represents approximately 1,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Cass County. Cass County ranks 72nd in the Hawkeye State for the total number of acres of land currently advertised for sale. Atlantic had 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 the state.