THE COBB COUNTY LAND BRIEF
Land in the
Southern Inner Piedmont setting.
Cobb County has 339.7 square miles of land in Georgia. 2 mapped landscape regions meet across Cobb County: Southern Inner Piedmont, Talladega Upland.
The Piedmont is a belt of irregular plains and hills between the Appalachians and the coastal plain. A complex mixture of older rocks underlies its pine and hardwood woodland landscapes.
Regional context: Piedmont ↗ · Regional mapping across the county footprint
Where the landscape changes
Cobb County intersects 2 mapped regional units. The largest mapped shares are:
- Southern Inner Piedmont99.6%
- Talladega Upland0.4%
Finding your parcel within Cobb County
The atlas lists 11 cities, towns, townships, and Census communities associated with Cobb County, including Roswell, Mableton, Marietta. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Cobb County by land and water
The Census records 4.64 square miles of water within Cobb County, or 1.3% of its total area. That share is close to Cobb County’s 1.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Cobb County has 14.3 times the land area of nearby Marietta city (23.8 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bartow County, Cherokee County, Douglas County, Fulton County, Paulding County within Georgia. A tract near one of these lines should be matched to the county identifier on its own records.

