THE SLOPE COUNTY LAND BRIEF
Land in the
Missouri Plateau setting.
Slope County has 1,215.3 square miles of land in North Dakota. 3 mapped landscape regions meet across Slope County: Missouri Plateau, Little Missouri Badlands, Sagebrush Steppe.
Rolling semiarid plains are punctuated by buttes, badlands and river breaks. Much of the regional terrain developed on sandstone, siltstone and shale without the leveling influence of continental glaciers.
Regional context: Northwestern Great Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Slope County intersects 3 mapped regional units. The largest mapped shares are:
- Missouri Plateau69.6%
- Little Missouri Badlands30%
- Sagebrush Steppe0.4%
Finding your parcel within Slope County
The atlas lists 21 cities, towns, townships, and Census communities associated with Slope County, including Sand Creek, Peaceful Valley, Carroll. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Slope County by land and water
The Census records 4.24 square miles of water within Slope County, or 0.3% of its total area. That share is close to Slope County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Slope County has 17.2 times the land area of nearby Sand Creek township (70.9 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Adams County, Billings County, Bowman County, Golden Valley County, Hettinger County, Stark County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

