16 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 96746 | Kapaa | 19,329 |
| 96766 | Lihue | 17,526 |
| 96756 | Koloa | 6,448 |
| 96741 | Kalaheo | 6,183 |
| 96754 | Kilauea | 4,272 |
| 96752 | Kekaha | 3,809 |
| 96703 | Anahola | 3,366 |
| 96716 | Hanapepe | 2,650 |
| 96705 | Eleele | 2,522 |
| 96722 | Princeville | 2,377 |
| 96796 | Waimea | 1,840 |
| 96714 | Hanalei | 1,592 |
| 96747 | Kaumakani | 1,012 |
| 96765 | Lawai | 513 |
| 96769 | Makaweli | 292 |
| 96751 | Kealia | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Kauai County, Hawaii (US Census).