There are 26 zip codes in Charleston County, South Carolina. The most populated is 29464, located in Mount Pleasant. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
29464Mount Pleasant51,259
29414Charleston44,196
29466Mount Pleasant43,233
29412Charleston40,307
29407Charleston35,908
29456Ladson35,871
29406Charleston32,570
29405North Charleston27,449
29455Johns Island25,449
29418North Charleston24,386
29403Charleston22,363
29401Charleston8,895
29449Hollywood7,598
29470Ravenel5,349
29429Awendaw4,527
29451Isle Of Palms4,378
29438Edisto Island2,751
29409Charleston2,612
29482Sullivans Island2,317
29458McClellanville2,303
29487Wadmalaw Island2,302
29404Charleston Afb2,257
29426Adams Run1,771
29424Charleston1,267
29439Folly Beach855
29425Charleston0
showing: 26 rows

Charleston County, South Carolina Zip Codes by Population (2024)