Charleston | SC | USA

County Profiles

The Charleston region’s incorporated cities and towns continue to flourish, creating a larger, more diverse workforce. Get a quick data snapshot of the Charleston region’s three counties, 27 cities, and 3,100 square miles.

Population By County

Charleston SC MSA CountyPopulation Estimate, 2024
Berkeley County264,276
Charleston County431,001
Dorchester County174,663
Charleston Metro Area869,940
Source: U.S. Census Bureau, 2025

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Population By Age & Race By County

Population DemographicsBerkeley CountyCharleston CountyDorchester County
Age
19 or younger26.3%21.5%26.8%
20-246.4%6.1%5.5%
25-3414.2%15.1%13.7%
35-5426.1%26.3%26.2%
55-6412.0%12.7%12.4%
65+15.0%18.3%15.4%
Median Age36.639.738.2
Race
White63.2%66.9%61.6%
Black or African-American23.8%22.2%25.7%
Asian2.4%1.7%2.2%
Other10.6%9.2%10.5%
Hispanic Origin
Hispanic or Latino (of any race)9.2%7.0%7.3%
Source: U.S. Census Bureau, 2025

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5 Largest Cities

CityWebsitePopulation Estimate, 2023
Charlestonhttp://www.charleston-sc.gov/155,369
North Charlestonhttp://www.northcharleston.org/121,469
Mount Pleasanthttp://www.tompsc.com/95,232
Summervillehttp://www.summervillesc.gov/51,884
Goose Creekhttps://www.cityofgoosecreek.com/49,249
Source: U.S. Census Bureau, 2024; estimates for 2024 to be released summer 2025

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