16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 96746 | Kapaa | 20,473 |
| 96766 | Lihue | 17,604 |
| 96741 | Kalaheo | 6,231 |
| 96756 | Koloa | 5,804 |
| 96754 | Kilauea | 4,397 |
| 96752 | Kekaha | 3,221 |
| 96703 | Anahola | 3,133 |
| 96705 | Eleele | 2,299 |
| 96716 | Hanapepe | 2,284 |
| 96722 | Princeville | 2,141 |
| 96796 | Waimea | 1,951 |
| 96747 | Kaumakani | 1,498 |
| 96714 | Hanalei | 1,278 |
| 96765 | Lawai | 733 |
| 96769 | Makaweli | 309 |
| 96751 | Kealia | 155 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Kauai County, Hawaii (US Census).