Dorchester County, South Carolina ZIP Codes
- ZIP records
8 - Cities represented
7 - Sum of listed ZIP population estimates
166,963
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 29483 | Summerville | 59,186 |
| 2 | 29485 | Summerville | 58,507 |
| 3 | 29420 | North Charleston | 23,959 |
| 4 | 29472 | Ridgeville | 12,722 |
| 5 | 29477 | Saint George | 7,176 |
| 6 | 29437 | Dorchester | 2,281 |
| 7 | 29448 | Harleyville | 1,997 |
| 8 | 29471 | Reevesville | 1,135 |
Cities in Dorchester County
ZIP Directory
Browse all ZIP data for South Carolina
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.