THE ST. JOHNS COUNTY LAND BRIEF
Land in the
Eastern Florida Flatwoods setting.
St. Johns County has 600.7 square miles of land in Florida. 2 mapped landscape regions meet across St. Johns County: Eastern Florida Flatwoods, Sea Island 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
St. Johns County intersects 2 mapped regional units. The largest mapped shares are:
- Eastern Florida Flatwoods92.6%
- Sea Island Flatwoods7.4%
Finding your parcel within St. Johns County
The atlas lists 15 cities, towns, townships, and Census communities associated with St. Johns County, including World Golf Village, Nocatee, Fruit Cove. The list includes overlapping geography types and does not divide the county into exclusive service areas.
St. Johns County by land and water
The Census records 220.9 square miles of water within St. Johns County, or 26.9% of its total area. That share is close to St. Johns County’s 26.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, St. Johns County has 63.1 times the land area of nearby St. Augustine city (9.52 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Clay County, Duval County, Flagler County, Putnam County within Florida. A tract near one of these lines should be matched to the county identifier on its own records.

