THE CARBON COUNTY LAND BRIEF
Land in the
Pryor-Bighorn Foothills setting.
Carbon County has 2,047.9 square miles of land in Montana. 10 mapped landscape regions meet across Carbon County: Pryor-Bighorn Foothills, Bighorn Basin, Non-calcareous Foothill Grassland, 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
Carbon County intersects 10 mapped regional units. The largest mapped shares are:
- Pryor-Bighorn Foothills21.4%
- Bighorn Basin20.6%
- Non-calcareous Foothill Grassland16.6%
- Montana Central Grasslands10.9%
- Gneissic-Schistose Forested Mountains9.9%
Wyoming Basin in Carbon County
A broad dry basin is interrupted by hills and low mountains. Grassland and shrubland dominate the regional setting between the more heavily forested surrounding ranges.
Read the regional source ↗Middle Rockies in Carbon County
Forested mountain ranges rise above grassy or shrubby intermountain valleys. The Middle Rockies combine alpine high country, partly wooded foothills and valleys supplied by mountain streams.
Read the regional source ↗Finding your parcel within Carbon County
The atlas lists 15 cities, towns, townships, and Census communities associated with Carbon County, including Roberts, Fox, Red Lodge. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Carbon County by land and water
The Census records 13.5 square miles of water within Carbon County, or 0.7% of its total area. That share is close to Carbon County’s 0.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Carbon County has 1,230 times the land area of nearby Belfry CDP (1.67 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Big Horn County, Park County, Stillwater County, Yellowstone County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

