6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 29860 | North Augusta | 17,412 |
| 29824 | Edgefield | 7,598 |
| 29832 | Johnston | 5,375 |
| 29847 | Trenton | 4,925 |
| 29821 | Clarks Hill | 1,245 |
| 29838 | Modoc | 748 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Edgefield County, South Carolina (US Census).