THE CUSTER COUNTY LAND BRIEF
Land in the
Black Hills Plateau setting.
Custer County has 1,556.9 square miles of land in South Dakota. 4 mapped landscape regions meet across Custer County: Black Hills Plateau, Semiarid Pierre Shale Plains, Black Hills Foothills, 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
Custer County intersects 4 mapped regional units. The largest mapped shares are:
- Black Hills Plateau46.9%
- Semiarid Pierre Shale Plains37.5%
- Black Hills Foothills15.1%
- Black Hills Core Highlands0.6%
Northwestern Great Plains in Custer 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 Custer County
The atlas lists 5 cities, towns, townships, and Census communities associated with Custer County, including Custer, Hermosa, Fairburn. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Custer County by land and water
The Census records 2.12 square miles of water within Custer County, or 0.1% of its total area. That share is close to Custer County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Custer County has 6,433.6 times the land area of nearby Pringle town (0.24 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Fall River County, Oglala Lakota County, Pennington County within South Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

