THE KNOX COUNTY LAND BRIEF
Land in the
Southern Limestone/Dolomite Valleys and Low Rolling Hills setting.
Knox County has 508.3 square miles of land in Tennessee. 4 mapped landscape regions meet across Knox County: Southern Limestone/Dolomite Valleys and Low Rolling Hills, Southern Shale Valleys, Southern Dissected Ridges and Knobs, 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
Knox County intersects 4 mapped regional units. The largest mapped shares are:
- Southern Limestone/Dolomite Valleys and Low Rolling Hills79.9%
- Southern Shale Valleys11.4%
- Southern Dissected Ridges and Knobs6.2%
- Southern Sandstone Ridges2.5%
Finding your parcel within Knox County
The atlas lists 7 cities, towns, townships, and Census communities associated with Knox County, including Knoxville, Farragut, Halls. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Knox County by land and water
The Census records 17.6 square miles of water within Knox County, or 3.3% of its total area. That share is close to Knox County’s 3.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Knox County has 5.1 times the land area of nearby Knoxville city (98.7 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Anderson County, Blount County, Grainger County, Jefferson County, Loudon County, Roane County, Sevier County, Union County within Tennessee. A tract near one of these lines should be matched to the county identifier on its own records.

