The combined value of farmsand rural real estate for sale in Cass County recently on Land.com was around $139 million. This represents almost 4,000 acres of land and rural real estate for sale in Cass County. Cass County ranks 10th in the Gopher State based on the combined acreage of land for sale of the 87 counties in the Gopher State. Of all locations in Cass County with farms and rural land for sale, Walker featured the most land for sale. Based on its natural assets, Cass County's economy is dependent on tourism and recreation. Cass County is one of the ten biggest counties in Minnesota (2,413 square miles). It's located in the North Central West Minnesota region of the state.