Located in Southeast North Dakota, 1,767-square-mile Cass County is one of the ten biggest counties in the Sioux State. The total value of around 1,000 acres of residential land recently listed for sale in Cass County, North Dakota, was almost $18 million. The average price of residential acreage for sale in Cass County was $1 million. Browse all residential land and rural property for sale in North Dakota to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.