Charleston County | |
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![]() Location within the U.S. state of South Carolina | |
![]() South Carolina's location within the U.S. | |
Coordinates: 32°48′N 79°56′W / 32.80°N 79.94°W | |
Country | ![]() |
State | ![]() |
Founded | January 1, 1800 |
Named for | King Charles II |
Seat | Charleston |
Largest community | Charleston |
Area | |
• Total | 1,357.99 sq mi (3,517.2 km2) |
• Land | 917.98 sq mi (2,377.6 km2) |
• Water | 440.01 sq mi (1,139.6 km2) 32.40% |
Population (2020) | |
• Total | 408,235 |
• Estimate (2023) | 424,367 |
• Density | 444.71/sq mi (171.70/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional districts | 1st, 6th |
Website | www |
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.
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