There are 16 zip codes in Kauai County, Hawaii. The most populated is 96746, located in Kapaa. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
96746Kapaa20,473
96766Lihue17,604
96741Kalaheo6,231
96756Koloa5,804
96754Kilauea4,397
96752Kekaha3,221
96703Anahola3,133
96705Eleele2,299
96716Hanapepe2,284
96722Princeville2,141
96796Waimea1,951
96747Kaumakani1,498
96714Hanalei1,278
96765Lawai733
96769Makaweli309
96751Kealia155

Kauai County, Hawaii Zip Codes by Population (2024)