THE WESTON COUNTY LAND BRIEF
Land in the
Powder River Basin setting.
Weston County has 2,398 square miles of land in Wyoming. 6 mapped landscape regions meet across Weston County: Powder River Basin, Semiarid Pierre Shale Plains, Black Hills Foothills, 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
Weston County intersects 6 mapped regional units. The largest mapped shares are:
- Powder River Basin53.7%
- Semiarid Pierre Shale Plains26.6%
- Black Hills Foothills15.9%
- Black Hills Plateau2%
- Pine Scoria Hills1.6%
Middle Rockies in Weston 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 Weston County
The atlas lists 4 cities, towns, townships, and Census communities associated with Weston County, including Upton, Newcastle, Hill View Heights. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Weston County by land and water
The Census records 2.02 square miles of water within Weston County, or 0.1% of its total area. That share is close to Weston County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Weston County has 1,245.7 times the land area of nearby Osage CDP (1.93 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Campbell County, Converse County, Crook County, Niobrara County within Wyoming. A tract near one of these lines should be matched to the county identifier on its own records.

