Unorganized Territory of Chalky Butte (historical) is a census located in Slope County, North Dakota. It appears on the Amidon USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 3,021.31 feet (920.90 m) above sea level. The nearest populated place is Amidon, approximately 5.3 miles to the NNE.