Charleston County, South Carolina

Charleston County is a county in the U.S. state of South Carolina. As of the 2020 census, 408,235 people lived there,^[1] making it the third-most populous county in South Carolina (after Greenville and Richland counties). Its county seat is Charleston.^[2] The county was formed in 1901.

Charleston County
County
Charleston County Courthouse
Location within the U.S. state of South Carolina
South Carolina's location within the U.S.
Coordinates: 32°48′02″N 79°56′33″W
Country	United States
State	South Carolina
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
• Density	444.71/sq mi (171.70/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional districts	1st, 6th
Website	www.charlestoncounty.org

Geography

Census	Pop.		%±
1790	66,985		—
1800	57,480		−14.2%
1810	63,179		9.9%
1820	80,212		27.0%
1830	86,338		7.6%
1840	82,661		−4.3%
1850	72,805		−11.9%
1860	70,100		−3.7%
1870	88,863		26.8%
1880	102,800		15.7%
1890	59,903		−41.7%
1900	88,006		46.9%
1910	88,594		0.7%
1920	108,450		22.4%
1930	101,050		−6.8%
1940	121,105		19.8%
1950	164,856		36.1%
1960	216,382		31.3%
1970	247,650		14.5%
1980	276,974		11.8%
1990	295,039		6.5%
2000	309,969		5.1%
2010	350,209		13.0%
2020	408,235		16.6%
U.S. Decennial Census[3] 1790–1960[4] 1900–1990[5] 1990–2000[6] 2010–2020[1]

According to the U.S. Census Bureau, the county has a total area of 1,358 square miles (3,520 km²), of which 916 square miles (2,370 km²) is land and 442 square miles (1,140 km²) (33%) is water.^[7] It is the largest county in South Carolina by total land and water area. It is along the Atlantic coast.

Bordering counties

• Berkeley County - north
• Georgetown County - northeast
• Colleton County - west
• Dorchester County - northwest

Communities

Cities

• Charleston (county seat) (partly in Berkeley County)
• Folly Beach
• Isle of Palms
• North Charleston (partly in Dorchester County and Berkeley County)

Towns

• Awendaw
• Hollywood
• James Island
• Kiawah Island
• Lincolnville (partly in Dorchester County)
• McClellanville
• Meggett
• Mount Pleasant
• Ravenel
• Rockville
• Seabrook Island
• Sullivan's Island
• Summerville (partly in Dorchester County and Berkeley County)

Census-designated place

• Adams Run
• Ladson (partly in Berkeley County)

Unincorporated communities

• Edisto Island (partly in Colleton County)
• Johns Island

References

1. "QuickFacts: Charleston County, South Carolina". United States Census Bureau. Retrieved January 20, 2024.
2. National Association of Counties. "NACo County Explorer". Retrieved January 20, 2024.
3. "U.S. Decennial Census". United States Census Bureau. Retrieved March 16, 2015.
4. "Historical Census Browser". University of Virginia Library. Archived from the original on August 11, 2012. Retrieved March 16, 2015.
5. Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 16, 2015.
6. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Archived (PDF) from the original on 2022-10-09. Retrieved March 16, 2015.
7. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 16, 2015.

Other websites

• Charleston County - Official website