Of 53 counties in the Rough Rider State, Nelson County is 39th in terms of its size (1,008 square miles). Nelson County is in Northeast North Dakota. Recent listings of ranches for sale in North Dakota's Nelson County totals approximately 1,000 acres and a combined market value of about $700,000. The most common type of land for sale by combined acreage in Nelson County is farms. Browse all Nelson County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Nelson County is farms.