THE WILLIAMS COUNTY LAND BRIEF
Land in the
Glaciated Dark Brown Prairie setting.
Williams County has 2,077.6 square miles of land in North Dakota. 5 mapped landscape regions meet across Williams County: Glaciated Dark Brown Prairie, Missouri Coteau Slope, River Breaks, among others.
Glaciated plains bridge the wetter eastern prairie and the drier, more broken Great Plains. Numerous prairie potholes and other seasonal or persistent wetlands are characteristic regional landforms.
Regional context: Northwestern Glaciated Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Williams County intersects 5 mapped regional units. The largest mapped shares are:
- Glaciated Dark Brown Prairie46.8%
- Missouri Coteau Slope29.2%
- River Breaks21.3%
- Northern Missouri Coteau2.2%
- Collapsed Glacial Outwash0.5%
Northwestern Great Plains in Williams County
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.
Read the regional source ↗Finding your parcel within Williams County
The atlas lists 63 cities, towns, townships, and Census communities associated with Williams County, including Twelve Mile, Dry Fork, Bull Butte. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Williams County by land and water
The Census records 70.2 square miles of water within Williams County, or 3.3% of its total area. That share is close to Williams County’s 3.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Williams County has 57.1 times the land area of nearby East Fork township (36.4 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Burke County, Divide County, McKenzie County, Mountrail County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

