Charleston County, South Carolina
Charleston County is a county in South Carolina. Its county FIPS code is 45019. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 45019
- Representative coordinates
- 32.800458, -79.942480
- County type
- County
- County seat or government
- Charleston
- Resident population, July 2025
- 436,200
- Land area
- 2,377.989 km²
- Water area
- 1,162.356 km²
- State
- South Carolina
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Charleston County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
29401 · 29403 · 29404 · 29405 · 29406 · 29407 · 29409 · 29410 · 29412 · 29414 · 29418 · 29420 · 29424 · 29425 · 29426 · 29429 · 29438 · 29439 · 29440 · 29445 · 29446 · 29449 · 29450 · 29451 · 29452 · 29453 · 29455 · 29456 · 29458 · 29464 · 29466 · 29470 · 29482 · 29483 · 29485 · 29487 · 29492
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Adams Run CDP, SC
- Awendaw town, SC
- Charleston city, SC
- Folly Beach city, SC
- Hollywood town, SC
- Isle of Palms city, SC
- James Island town, SC
- Kiawah Island town, SC
- Ladson CDP, SC
- Lincolnville town, SC
- McClellanville town, SC
- Meggett town, SC
- Mount Pleasant town, SC
- North Charleston city, SC
- Ravenel town, SC
- Rockville town, SC
- Seabrook Island town, SC
- Sullivan's Island town, SC
- Summerville town, SC
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.