17 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 29803 | Aiken | 40,699 |
| 29841 | North Augusta | 32,342 |
| 29801 | Aiken | 31,108 |
| 29829 | Graniteville | 12,385 |
| 29851 | Warrenville | 9,070 |
| 29842 | Beech Island | 8,102 |
| 29805 | Aiken | 4,935 |
| 29164 | Wagener | 4,830 |
| 29129 | Ridge Spring | 4,605 |
| 29831 | Jackson | 4,394 |
| 29856 | Windsor | 3,272 |
| 29809 | New Ellenton | 2,301 |
| 29137 | Salley | 2,248 |
| 29105 | Monetta | 1,621 |
| 29816 | Bath | 1,092 |
| 29828 | Gloverville | 489 |
| 29834 | Langley | 259 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 17 ZCTAs in Aiken County, South Carolina (US Census).