THE CAMPBELL COUNTY LAND BRIEF
Land in the
Powder River Basin setting.
Campbell County has 4,802.1 square miles of land in Wyoming. 4 mapped landscape regions meet across Campbell County: Powder River Basin, Pine Scoria Hills, Montana Central Grasslands, 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
Campbell County intersects 4 mapped regional units. The largest mapped shares are:
- Powder River Basin80.4%
- Pine Scoria Hills17.2%
- Montana Central Grasslands1.8%
- Sagebrush Steppe0.6%
Finding your parcel within Campbell County
The atlas lists 3 cities, towns, townships, and Census communities associated with Campbell County, including Gillette, Wright, Sleepy Hollow. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Campbell County by land and water
The Census records 4.25 square miles of water within Campbell County, or 0.1% of its total area. That share is close to Campbell County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Campbell County has 11,543.4 times the land area of nearby Sleepy Hollow CDP (0.42 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Converse County, Crook County, Johnson County, Sheridan County, Weston County within Wyoming. A tract near one of these lines should be matched to the county identifier on its own records.

