THE FALLON COUNTY LAND BRIEF
Land in the
Montana Central Grasslands setting.
Fallon County has 1,620.6 square miles of land in Montana. 5 mapped landscape regions meet across Fallon County: Montana Central Grasslands, Sagebrush Steppe, Missouri Plateau, 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
Fallon County intersects 5 mapped regional units. The largest mapped shares are:
- Montana Central Grasslands77.8%
- Sagebrush Steppe10.8%
- Missouri Plateau5.5%
- Little Missouri Badlands4.5%
- River Breaks1.4%
Finding your parcel within Fallon County
The atlas lists 2 cities, towns, townships, and Census communities associated with Fallon County, including Baker, Plevna. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Fallon County by land and water
The Census records 2.28 square miles of water within Fallon County, or 0.1% of its total area. That share is close to Fallon County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Fallon County has 1,571.9 times the land area of nearby Baker city (1.03 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Carter County, Custer County, Prairie County, Wibaux County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

