| Charleston County Population: 309,969
 Population Density: 337.5 per square mile
 
 Water Area Percentage: 32.37% (439.61 square miles)
 Land Area Percentage: 67.63% (918.51 square miles)
 Total Area: 1,358.11 square miles
 Housing Units: 141,031 per square mile
 
 County Links
 
 
 
 Waterfalls In Charleston County
 • Breach Inlet
 • Bull Harbor
 • Bulls Bay
 • Bullyard Sound
 • Cape Romain Harbor
 • Capers Inlet
 • Charleston Harbor
 • Clark Sound
 • Copahee Sound
 • Dewees Inlet
 • Gray Bay
 • Hamlin Sound
 • Hickory Bay
 • Jeanette Creek
 • Key Bay
 • Lighthouse Inlet
 • Mark Bay
 • Muddy Bay
 • Oyster Bay
 • Price Inlet
 • Sewee Bay
 • Stono Inlet
 • The Cove
 • Wadmalaw Sound
 
 Lakes In Charleston County
 • Trophy Lakes
 
 
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