THE CHARLESTON LAND BRIEF
Land in the
Sea Islands/Coastal Marsh setting.
Charleston city has 115.3 square miles of land in Berkeley County, Charleston County. Its Census reference point is in Sea Islands/Coastal Marsh, within Southern Coastal Plain.
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 ↗ · Classification at the Census reference point
One place name. 2 county geographies.
Charleston intersects 2 county geographies: Berkeley County, Charleston County. A Charleston mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Charleston by land and water
The Census records 20.9 square miles of water within Charleston, or 15.3% of its total area. It is 9.2 percentage points higher than the 6.1% recorded for South Carolina. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Charleston city has 2.3 times the land area of nearby Mount Pleasant town (49.8 square miles). These areas describe boundaries, not comparable property prices.

