Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Honolulu | 1 | 350,429 | 347,181 | 0.27% | 5,781 | 60.6 | CDP |
| East Honolulu | 2 | 49,420 | 47,132 | -0.07% | 2,148 | 23.0 | CDP |
| Pearl City | 3 | 46,664 | 45,159 | -0.16% | 5,117 | 9.1 | CDP |
| Kailua | 4 | 40,604 | 37,900 | 0.35% | 5,224 | 7.8 | CDP |
| Waipahu | 5 | 40,149 | 38,276 | 0.34% | 14,992 | 2.7 | CDP |
| Kaneohe | 6 | 35,642 | 33,540 | 0.21% | 5,447 | 6.5 | CDP |
| Ewa Gentry | 7 | 27,949 | 26,358 | 1.36% | 13,128 | 2.1 | CDP |
| Mililani Town | 8 | 27,389 | 27,459 | -0.06% | 6,832 | 4.0 | CDP |
| Kapolei | 9 | 23,954 | 21,541 | 2.69% | 5,483 | 4.4 | CDP |
| Kailua | 10 | 23,028 | 22,972 | 3.55% | 1,669 | 13.8 | CDP |
| Mililani Mauka | 11 | 21,630 | 19,808 | 0.19% | 5,416 | 4.0 | CDP |
| Makakilo | 12 | 21,523 | 19,565 | 1.1% | 5,633 | 3.8 | CDP |
| Schofield Barracks | 13 | 18,427 | 18,276 | 0.8% | 6,650 | 2.8 | CDP |
| Ocean Pointe | 14 | 17,475 | 15,688 | 3.87% | 8,634 | 2.0 | CDP |
| Wahiawa | 15 | 17,330 | 16,442 | -0.2% | 7,571 | 2.3 | CDP |
| Ewa Beach | 16 | 15,202 | 13,803 | 0.11% | 12,764 | 1.2 | CDP |
| Halawa | 17 | 14,477 | 13,953 | 0.23% | 6,060 | 2.4 | CDP |
| Waimalu | 18 | 13,966 | 13,714 | 0.12% | 7,628 | 1.8 | CDP |
| Waianae | 19 | 13,844 | 13,192 | 0.34% | 2,567 | 5.4 | CDP |
| Royal Kunia | 20 | 13,818 | 13,857 | -0.36% | 4,589 | 3.0 | CDP |
| Kaneohe Base | 21 | 13,630 | 11,237 | 7.69% | 3,095 | 4.4 | CDP |
| Maili | 22 | 12,552 | 12,591 | 1.78% | 7,345 | 1.7 | CDP |
| Nanakuli | 23 | 12,321 | 11,379 | -0.19% | 4,122 | 3.0 | CDP |
| Waipio | 24 | 11,049 | 10,745 | -0.4% | 8,860 | 1.2 | CDP |
| Makaha | 25 | 10,336 | 10,087 | 1.44% | 3,842 | 2.7 | CDP |
| Hickam Housing | 26 | 9,932 | 9,463 | 2.21% | 2,155 | 4.6 | CDP |
| Aiea | 27 | 9,610 | 9,730 | 0.21% | 5,786 | 1.7 | CDP |
| Ahuimanu | 28 | 9,238 | 8,254 | 0.33% | 3,429 | 2.7 | CDP |
| Waikele | 29 | 7,563 | 7,246 | 0.08% | 6,875 | 1.1 | CDP |
| West Loch Estate | 30 | 6,633 | 6,685 | 1.25% | 10,065 | 0.7 | CDP |
| Ewa Villages | 31 | 6,624 | 6,452 | 0.56% | 5,872 | 1.1 | CDP |
| Iroquois Point | 32 | 6,346 | 4,968 | 3.47% | 7,806 | 0.8 | CDP |
| East Kapolei | 33 | 5,864 | 2,127 | 7.7% | 1,608 | 3.6 | CDP |
| Waimanalo | 34 | 5,792 | 5,599 | 0.43% | 1,329 | 4.4 | CDP |
| Waipio Acres | 35 | 5,419 | 5,556 | 0.24% | 5,530 | 1.0 | CDP |
| Laie | 36 | 5,290 | 6,071 | -1.12% | 3,951 | 1.3 | CDP |
| Pupukea | 37 | 5,226 | 4,070 | 0.93% | 1,521 | 3.4 | CDP |
| Kahaluu | 38 | 5,120 | 4,681 | 0.55% | 1,471 | 3.5 | CDP |
| Haleiwa | 39 | 4,831 | 4,589 | 1.28% | 1,570 | 3.1 | CDP |
| Heeia | 40 | 4,756 | 4,503 | -0.31% | 1,486 | 3.2 | CDP |
| Waimanalo Beach | 41 | 4,474 | 4,280 | 0% | 2,265 | 2.0 | CDP |
| Helemano | 42 | 3,890 | 3,089 | 7.7% | 8,366 | 0.5 | CDP |
| Whitmore Village | 43 | 3,811 | 3,764 | -1.27% | 4,188 | 0.9 | CDP |
| Hauula | 44 | 3,500 | 3,298 | -1.32% | 3,022 | 1.2 | CDP |
| Kalaeloa | 45 | 3,466 | 2,421 | 7.67% | 568 | 6.1 | CDP |
| Waialua | 46 | 2,918 | 3,112 | -2.28% | 1,332 | 2.2 | CDP |
| Wheeler AFB | 47 | 2,316 | 2,124 | 2.12% | 998 | 2.3 | CDP |
| Kahuku | 48 | 2,217 | 2,226 | -1.29% | 2,302 | 1.0 | CDP |
| Maunawili | 49 | 2,072 | 1,915 | 0.14% | 1,133 | 1.8 | CDP |
| Ko Olina | 50 | 1,883 | 1,713 | 0.32% | 1,745 | 1.1 | CDP |
| Mokuleia | 51 | 1,777 | 2,176 | -0.17% | 656 | 2.7 | CDP |
| Kaaawa | 52 | 1,239 | 1,235 | -0.8% | 1,555 | 0.8 | CDP |
| Waiahole-Waikane | 53 | 995 | 576 | 7.68% | 146 | 6.8 | CDP |
| Punaluu | 54 | 876 | 1,113 | -2.23% | 548 | 1.6 | CDP |
| Kawela Bay | 55 | 371 | 330 | 0.81% | 639 | 0.6 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Honolulu is the largest city in Honolulu County.
Kawela Bay is the smallest city in Honolulu County.
There are 55 cities in Honolulu County, Hawaii.