There are 18 cities in Charleston County, South Carolina.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Charleston1157,450150,7421.21%1,424110.55
North Charleston2120,652115,5630.85%1,55777.50
Mount Pleasant397,94791,0921.77%1,98549.34
Summerville452,17751,0840.54%2,65019.69
Ladson515,29815,252 2,1777.03
James Island611,92411,6580.68%2,5154.74
Hollywood75,5895,4010.99%24223.13
Isle of Palms84,4014,3480.5%9924.44
Ravenel92,6712,5531.29%21112.64
Folly Beach102,1122,0790.67%16912.51
Seabrook Island112,1112,0550.81%3535.97
Kiawah Island121,9662,014-0.56%17811.02
Sullivan's Island131,9441,8990.88%7782.50
Awendaw141,4551,4080.9%1539.50
Meggett151,4391,3920.98%7918.21
Lincolnville161,2001,1541.09%1,0241.17
McClellanville176146040.49%2752.24
Rockville18137136 3230.42
showing: 18 rows

Cities in Charleston County, South Carolina by Population (2024)

What is the largest city in Charleston County, South Carolina?

Charleston is the largest city in Charleston County.

What is the smallest city in Charleston County, South Carolina?

Rockville is the smallest city in Charleston County.

How many cities are in Charleston County?

There are 18 cities in Charleston County, South Carolina.

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