Charleston County, South Carolina

Charleston County: County in South Carolina, United States of America

About

Charleston County is a county located in the U.S. state of South Carolina. As of the 2010 census, the population was 350,209 and a population density of 100 people per km². After 10 years in 2020 county had an estimated population of 417,981 inhabitants. Its county seat is Charleston. The county was created 256 years ago in 1768.

Charleston County locator map
Location of Charleston County on South Carolina map.

Quick Facts about Charleston County

Population : 417,981 (2020)
Country : United States of America
State : South Carolina (United States)
Twitter username : chascountygov
Area : 3517 km2
Water as percent of area : 33%
Land as percent of area : 67%
Altitude : 7 feet / 2 meters
Capital : Charleston
Establishment : January 01, 1769
Time Zone : Eastern Time Zone
Local time : 03:58:34 (22nd February 2025)
Density : 119 Pop. per km² as of 2020
Population growth : 16.21% (2010-2020)
Charleston County Courthouse 2013 image
Charleston County Courthouse 2013
Charleston County Courthouse 2013 image
Charleston County Courthouse 2013 image

Geography

Charleston County is located at 32°44'57"N 79°56'31"W (32.7491700, -79.9420200). It has 3 neighbors: Berkeley County, Colleton County and Georgetown County.

Charleston County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Charleston County is Charleston with a population of 139,714. Other cities include, North Charleston population 118,752, Mount Pleasant population 92,799, Isle of Palms population 4,371 and Ravenel population 2,768. See all Charleston County cities & populated places.

Charleston County Populated Places

Cities, towns, neighborhoods & other populated places in Charleston County.

City Name Population Title
Charleston 139,714 The most populous city in South Carolina.
North Charleston 118,752 The second most populous city in Charleston County, South Carolina.
Mount Pleasant 92,799 The second most populous city in Charleston County, South Carolina.
Hollywood 5,268 Town in South Carolina
Isle of Palms 4,371 City in Charleston County, South Carolina, United States
Ravenel 2,768 Human settlement in Charleston County, South Carolina, United States of America
Folly Beach 2,682 City in South Carolina, United States
Lincolnville 2,624 City in South Carolina, United States of America
Seabrook Island 1,880 City in Charleston County, South Carolina, United States of America
Sullivans Island 1,791 Island in the United States of America
Kiawah Island 1,765 City in Charleston County, South Carolina, United States of America
Awendaw 1,568 City in Charleston County, South Carolina, United States of America
Meggett 1,304 Town
McClellanville 547 Town in Charleston County, South Carolina, United States
Rockville 138 Town in South Carolina

Charleston County has 3 neighbours.

  • Charleston

Demographics

The population of Charleston County increased by 16.21% in 10 years.

Year Population % Change Method
2010 350,209 - census
2011 357,335 1.99% estimation process
2012 364,628 2% estimation process
2013 371,703 1.9% estimation process
2014 379,793 2.13% estimation process
2015 389,310 2.44% estimation process
2016 396,880 1.91% estimation process
2017 402,008 1.28% estimation process
2018 406,222 1.04% estimation process
2019 411,406 1.26% estimation process
2020 417,981 1.57% estimation process

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People born in Charleston County (1)

American politician, 1710-1791 William Bull II was born in Charleston County

South Carolina Other Counties (more counties)

County Name Population Title
Greenville County 532,486 County in South Carolina, United States
Richland County 419,051 County in South Carolina, United States
Horry County 365,449 County in South Carolina, United States
Spartanburg County 326,205 County in South Carolina, United States
Lexington County 303,946 County in South Carolina, United States
York County 289,105 County in South Carolina, United States
Berkeley County 235,987 County in South Carolina, United States of America
Anderson County 204,353 County in Tennessee, United States
Beaufort County 195,656 County in South Carolina, United States
Anderson County Airport 194,692 A county-owned airport located in Anderson County, South Carolina.
Aiken County 172,895 County in South Carolina, United States
Dorchester County 165,737 County in Maryland, United States
Charleston 139,714 The most populous city in South Carolina.
Florence County 137,588 County in South Carolina, United States
Columbia 132,130 The most populous city in South Carolina.
Pickens County 127,983 County in South Carolina, United States