Charleston County, South Carolina

Charleston County
Official seal of Charleston County
Official logo of Charleston County
Map of South Carolina highlighting Charleston County
Location within the U.S. state of South Carolina
Map of the United States highlighting South Carolina
South Carolina's location within the U.S.
Coordinates: 32°48′N 79°56′W / 32.80°N 79.94°W / 32.80; -79.94
Country United States
State South Carolina
FoundedJanuary 1, 1800
Named forKing Charles II
SeatCharleston
Largest communityCharleston
Area
 • Total1,357.99 sq mi (3,517.2 km2)
 • Land917.98 sq mi (2,377.6 km2)
 • Water440.01 sq mi (1,139.6 km2)  32.40%
Population
 (2020)
 • Total408,235
 • Estimate 
(2023)
424,367
 • Density444.71/sq mi (171.70/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts1st, 6th
Websitewww.charlestoncounty.org

Charleston County is located in the U.S. state of South Carolina along the Atlantic coast. As of the 2020 census, the population was 408,235,[1] making it the third-most populous county in South Carolina (behind Greenville and Richland counties). Its county seat is Charleston.[2] It is also the largest county in the state by total area, although Horry County has a larger land area. The county was created in 1800 by an act of the South Carolina State Legislature.[3]

Charleston County is included in the Charleston-North Charleston, SC Metropolitan Statistical Area. It is in the Lowcountry region of South Carolina.

  1. ^ Cite error: The named reference 2020CensusQuickFacts was invoked but never defined (see the help page).
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "Charleston County, South Carolina". www.carolana.com. Retrieved June 13, 2022.