| City | County | 2025 Pop. ↓ |
|---|---|---|
| Kailua | Honolulu County | 40,745 |
| Kaneohe | Honolulu County | 35,717 |
| Kahului | Maui County | 27,457 |
| Kapolei | Honolulu County | 24,580 |
| Kailua | Honolulu County | 23,818 |
| Kihei | Maui County | 22,588 |
| Kaiminani | Hawaii County | 14,664 |
| Kaneohe Base | Honolulu County | 14,604 |
| Kapaa | Kauai County | 10,883 |
| Kahaluu-Keauhou | Hawaii County | 7,864 |
| Kula | Maui County | 6,610 |
| Kahaluu | Honolulu County | 5,147 |
| Kalaheo | Kauai County | 4,665 |
| Kalaeloa | Honolulu County | 3,714 |
| Kaunakakai | Maui County | 3,585 |
| Kilauea | Kauai County | 3,532 |
| Kurtistown | Hawaii County | 3,295 |
| Keokea | Maui County | 3,187 |
| Kekaha | Kauai County | 3,052 |
| Koloa | Kauai County | 2,315 |
| Kealakekua | Hawaii County | 2,230 |
| Kualapuu | Maui County | 2,190 |
| Kahuku | Honolulu County | 2,189 |
| Kapaau | Hawaii County | 2,031 |
| Kaloko | Hawaii County | 1,909 |
| Ko Olina | Honolulu County | 1,889 |
| Kaumakani | Kauai County | 1,685 |
| Kaanapali | Maui County | 1,273 |
| Kaaawa | Honolulu County | 1,229 |
| Keaau | Hawaii County | 1,049 |
| Kapalua | Maui County | 402 |
| Kukuihaele | Hawaii County | 391 |
| Kawela Bay | Honolulu County | 374 |
| Kalihiwai | Kauai County | 213 |
| Kamaili | Hawaii County | 195 |
| Kalapana | Hawaii County | 70 |