THE CROOK COUNTY LAND BRIEF
Land in the
Black Hills Foothills setting.
Crook County has 2,854.5 square miles of land in Wyoming. 7 mapped landscape regions meet across Crook County: Black Hills Foothills, Semiarid Pierre Shale Plains, Powder River Basin, among others.
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.
Regional context: Middle Rockies ↗ · Regional mapping across the county footprint
Where the landscape changes
Crook County intersects 7 mapped regional units. The largest mapped shares are:
- Black Hills Foothills54%
- Semiarid Pierre Shale Plains18%
- Powder River Basin10.4%
- Black Hills Plateau10.1%
- Sagebrush Steppe6.4%
Northwestern Great Plains in Crook 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 Crook County
The atlas lists 5 cities, towns, townships, and Census communities associated with Crook County, including Sundance, Pine Haven, Moorcroft. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Crook County by land and water
The Census records 10.9 square miles of water within Crook County, or 0.4% of its total area. That share is close to Crook County’s 0.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Crook County has 3,192.9 times the land area of nearby Hulett town (0.89 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Campbell County, Weston County within Wyoming. A tract near one of these lines should be matched to the county identifier on its own records.

