THE CLAY COUNTY LAND BRIEF
Land in the
Sea Island Flatwoods setting.
Clay County has 604.6 square miles of land in Florida. 3 mapped landscape regions meet across Clay County: Sea Island Flatwoods, Central Florida Ridges and Uplands, Eastern Florida Flatwoods.
Low plains mingle with barrier islands, lagoons, marshes and inland lake districts. Coastal and inland settings vary substantially within this warm southeastern landscape.
Regional context: Southern Coastal Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Clay County intersects 3 mapped regional units. The largest mapped shares are:
- Sea Island Flatwoods83.6%
- Central Florida Ridges and Uplands13.6%
- Eastern Florida Flatwoods2.9%
Finding your parcel within Clay County
The atlas lists 10 cities, towns, townships, and Census communities associated with Clay County, including Middleburg, Asbury Lake, Oakleaf Plantation. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Clay County by land and water
The Census records 38.9 square miles of water within Clay County, or 6.1% of its total area. That share is close to Clay County’s 6.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clay County has 414.4 times the land area of nearby Penney Farms town (1.46 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Baker County, Bradford County, Duval County, Putnam County, St. Johns County within Florida. A tract near one of these lines should be matched to the county identifier on its own records.

