Land for sale in Minnesota's Cass County recently totaled nearly $71 million and almost 3,000 acres. Cass County ranks 10th out of 87 counties in the Gopher State for the total acreage of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Cass County, Walker featured the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Cass County's overall GDP. Cass County is one of the ten largest counties in Minnesota (2,413 square miles). It's located in the North Central West Minnesota region of the state.