Charleston County, South Carolina
Charleston County | |
|---|---|
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 | United States |
| State | South Carolina |
| Founded | January 1, 1800 |
| Named after | 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 | 300/sq mi (120/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, making it the third-most populous county in South Carolina (behind Greenville and Richland counties). Its county seat is Charleston. 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. Charleston County is included in the Charleston-North Charleston, SC Metropolitan Statistical Area. It is in the Lowcountry region of South Carolina.