THE SOMERSET COUNTY LAND BRIEF
Land in the
Uplands and Valleys of Mixed Land Use setting.
Somerset County has 1,075 square miles of land in Pennsylvania. 5 mapped landscape regions meet across Somerset County: Uplands and Valleys of Mixed Land Use, Forested Hills and Mountains, Northern Shale Valleys, among others.
A rugged, deeply cut plateau of sandstone, shale and related rocks supports extensive forest. High hills and low mountains distinguish this Appalachian landscape from smoother neighboring regions.
Regional context: Central Appalachians ↗ · Regional mapping across the county footprint
Where the landscape changes
Somerset County intersects 5 mapped regional units. The largest mapped shares are:
- Uplands and Valleys of Mixed Land Use59.4%
- Forested Hills and Mountains28.8%
- Northern Shale Valleys10.1%
- Northern Dissected Ridges and Knobs1.2%
- Northern Sandstone Ridges0.4%
Ridge and Valley in Somerset County
Long, roughly parallel ridges and valleys follow folded and faulted rock layers. Limestone valleys, sandstone ridges and other geologic contrasts produce varied terrain and numerous regional springs and caves.
Read the regional source ↗Finding your parcel within Somerset County
The atlas lists 57 cities, towns, townships, and Census communities associated with Somerset County, including Shade, Jenner, Somerset. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Somerset County by land and water
The Census records 6.6 square miles of water within Somerset County, or 0.6% of its total area. That share is close to Somerset County’s 0.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Somerset County has 393.9 times the land area of nearby Somerset borough (2.73 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bedford County, Cambria County, Fayette County, Westmoreland County within Pennsylvania. A tract near one of these lines should be matched to the county identifier on its own records.

