County · GEOID 45035
Dorchester County, SC ZIP codes
15 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Dorchester County (GEOID 45035). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 285,174 (15 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Dorchester County
Population overlap
Share of each ZIP/ZCTA’s population located within Dorchester County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 290186.7%
- 294140.2%
- 2941822.9%
- 2942073.9%
Directory county
- 2942616.0%
- 294323.6%
- 29437100.0%
Directory county
- 29448100.0%
Directory county
- 2945643.0%
Directory county
- 294707.5%
- 2947197.4%
Directory county
- 2947265.9%
Directory county
- 2947799.6%
Directory county
- 2948387.5%
Directory county
- 2948591.6%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Dorchester County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 29018 | Bowman | Orangeburg County | 3,374 | $39,694 |
| 29414 | Charleston | Charleston County | 43,717 | $91,976 |
| 29418 | North Charleston | Charleston County | 25,589 | $62,421 |
| 29420 | North Charleston | Dorchester County | 23,311 | $69,043 |
| 29426 | Adams Run | Charleston County | 1,640 | $37,371 |
| 29432 | Branchville | Orangeburg County | 2,422 | $45,341 |
| 29437 | Dorchester | Dorchester County | 2,287 | $56,086 |
| 29448 | Harleyville | Dorchester County | 2,224 | $62,315 |
| 29456 | Ladson | Dorchester County | 39,280 | $79,038 |
| 29470 | Ravenel | Charleston County | 5,869 | $69,762 |
| 29471 | Reevesville | Dorchester County | 1,332 | $32,029 |
| 29472 | Ridgeville | Dorchester County | 11,531 | $73,207 |
| 29477 | Saint George | Dorchester County | 6,949 | $57,581 |
| 29483 | Summerville | Dorchester County | 56,979 | $82,194 |
| 29485 | Summerville | Dorchester County | 58,670 | $83,287 |
USPS associates these ZIPs with Dorchester County
These codes list Dorchester County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 29447 | Grover | Dorchester County | 67 | — |
| 29484 | Summerville | Dorchester County | 1,612 | — |