Charleston County, South Carolina Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Mount Pleasant196,65491,2441.24%1,94750 Town
James Island212,78112,0140.96%2,6945 Town
Hollywood35,7185,3011.17%24324 Town
Isle of Palms44,3884,3480.25%9894 City
Ravenel52,7612,5511.21%21013 Town
Seabrook Island62,1922,0550.97%3696 Town
Folly Beach72,0852,0740.19%16713 City
Kiawah Island82,0132,015-0.05%18011 Town
Sullivan's Island91,9761,8980.76%7912 Town
Awendaw101,5191,4101.13%8817 Town
Meggett111,5001,3961.08%8318 Town
Lincolnville121,2571,1561.29%1,0471 Town
Edisto Beach131,0801,0290.84%5072 Town
McClellanville146486090.93%2902 Town
Rockville151441360.7%3400 Town

Charleston County Cities Summary

Largest City

Mount Pleasant is the largest city in Charleston County, with a population of 96,654.

Smallest City

Rockville is the smallest city in Charleston County, with a population of 144.

10 Largest Cities

There are 15 cities in Charleston County, South Carolina.

Location of Charleston County