Located in Southeast North Dakota, 1,767-square-mile Cass County is one of the ten biggest counties in the state. Recent listings of residential land for sale in Cass County, North Dakota, totals roughly 1,000 acres and a combined market value of $15 million. The most common type of land for sale by combined acreage in Cass County is undeveloped land. The average price of residential land 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.