THE RICHLAND COUNTY LAND BRIEF
Land in the
Glaciated Dark Brown Prairie setting.
Richland County has 2,084.6 square miles of land in Montana. 3 mapped landscape regions meet across Richland County: Glaciated Dark Brown Prairie, River Breaks, Missouri Plateau.
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
Richland County intersects 3 mapped regional units. The largest mapped shares are:
- Glaciated Dark Brown Prairie60.6%
- River Breaks20.9%
- Missouri Plateau18.5%
Northwestern Great Plains in Richland 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 Richland County
The atlas lists 5 cities, towns, townships, and Census communities associated with Richland County, including Fox Lake, Sidney, Crane. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Richland County by land and water
The Census records 18.9 square miles of water within Richland County, or 0.9% of its total area. That share is close to Richland County’s 0.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Richland County has 499.3 times the land area of nearby Fox Lake CDP (4.18 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Dawson County, McCone County, Roosevelt County, Wibaux County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

