16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 96746 | Kapaa | 20,566 |
| 96766 | Lihue | 16,924 |
| 96741 | Kalaheo | 6,283 |
| 96756 | Koloa | 6,110 |
| 96754 | Kilauea | 4,172 |
| 96752 | Kekaha | 3,552 |
| 96703 | Anahola | 3,453 |
| 96705 | Eleele | 2,376 |
| 96716 | Hanapepe | 2,329 |
| 96796 | Waimea | 2,070 |
| 96722 | Princeville | 2,061 |
| 96714 | Hanalei | 1,438 |
| 96747 | Kaumakani | 1,361 |
| 96765 | Lawai | 516 |
| 96769 | Makaweli | 295 |
| 96751 | Kealia | 104 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Kauai County, Hawaii (US Census).