THE ROANOKE COUNTY LAND BRIEF
Land in the
Southern Limestone/Dolomite Valleys and Low Rolling Hills setting.
Roanoke County has 250.5 square miles of land in Virginia. 9 mapped landscape regions meet across Roanoke County: Southern Limestone/Dolomite Valleys and Low Rolling Hills, Southern Dissected Ridges and Knobs, Southern Crystalline Ridges and Mountains, among others.
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.
Regional context: Ridge and Valley ↗ · Regional mapping across the county footprint
Where the landscape changes
Roanoke County intersects 9 mapped regional units. The largest mapped shares are:
- Southern Limestone/Dolomite Valleys and Low Rolling Hills33.7%
- Southern Dissected Ridges and Knobs21.4%
- Southern Crystalline Ridges and Mountains17.3%
- Southern Sedimentary Ridges11.6%
- Southern Sandstone Ridges7.5%
Blue Ridge in Roanoke County
Forested ridges, plateaus and high mountains extend through the Blue Ridge. Elevation, rainfall and sheltered coves create marked differences in forest communities across short distances.
Read the regional source ↗Finding your parcel within Roanoke County
The atlas lists 4 cities, towns, townships, and Census communities associated with Roanoke County, including Cave Spring, Hollins, Vinton. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Roanoke County by land and water
The Census records 0.68 square miles of water within Roanoke County, or 0.3% of its total area. That share is close to Roanoke County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Roanoke County has 179.7 times the land area of nearby Glenvar CDP (1.39 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bedford County, Botetourt County, Craig County, Floyd County, Franklin County, Montgomery County, Roanoke city, Salem city within Virginia. A tract near one of these lines should be matched to the county identifier on its own records.

