THE DAWSON COUNTY LAND BRIEF
Land in the
Missouri Plateau setting.
Dawson County has 2,371.9 square miles of land in Montana. 5 mapped landscape regions meet across Dawson County: Missouri Plateau, River Breaks, Glaciated Dark Brown Prairie, among others.
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
Dawson County intersects 5 mapped regional units. The largest mapped shares are:
- Missouri Plateau63.4%
- River Breaks27.3%
- Glaciated Dark Brown Prairie7.2%
- Montana Central Grasslands1.8%
- Sagebrush Steppe0.2%
Northwestern Glaciated Plains in Dawson County
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.
Read the regional source ↗Finding your parcel within Dawson County
The atlas lists 5 cities, towns, townships, and Census communities associated with Dawson County, including West Glendive, Glendive, Lindsay. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Dawson County by land and water
The Census records 11.5 square miles of water within Dawson County, or 0.5% of its total area. That share is close to Dawson County’s 0.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Dawson County has 40,202.1 times the land area of nearby Bloomfield CDP (0.06 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets McCone County, Prairie County, Richland County, Wibaux County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

