52 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hilo | 1 | 48,718 | 45,248 | 0.75% | 909 | 54 | CDP |
| Kaiminani | 2 | 14,664 | 11,276 | 7.15% | 394 | 37 | CDP |
| Hawaiian Paradise Park | 3 | 13,450 | 10,921 | 1.02% | 879 | 15 | CDP |
| Kahaluu-Keauhou | 4 | 7,864 | 7,258 | 3.8% | 982 | 8 | CDP |
| Waikoloa Village | 5 | 7,682 | 7,366 | 1.16% | 487 | 16 | CDP |
| Captain Cook | 6 | 4,311 | 4,361 | 1.36% | 335 | 13 | CDP |
| Ainaloa | 7 | 4,049 | 3,636 | 1.84% | 2,045 | 2 | CDP |
| Hawaiian Beaches | 8 | 3,779 | 4,621 | -0.87% | 248 | 15 | CDP |
| Hawaiian Acres | 9 | 3,680 | 2,890 | 1.8% | 189 | 19 | CDP |
| Mountain View | 10 | 3,553 | 3,517 | -0.7% | 65 | 55 | CDP |
| Hawaiian Ocean View | 11 | 3,374 | 4,803 | -2.06% | 93 | 36 | CDP |
| Kurtistown | 12 | 3,295 | 3,230 | 4.21% | 461 | 7 | CDP |
| Honaunau-Napoopoo | 13 | 2,813 | 2,515 | 0.57% | 74 | 38 | CDP |
| Honokaa | 14 | 2,298 | 2,339 | 0.13% | 1,091 | 2 | CDP |
| Orchidlands Estates | 15 | 2,296 | 3,116 | -1.5% | 237 | 10 | CDP |
| Kealakekua | 16 | 2,230 | 2,393 | 0.63% | 223 | 10 | CDP |
| Pahala | 17 | 2,032 | 2,023 | 2.26% | 3,165 | 1 | CDP |
| Kapaau | 18 | 2,031 | 1,927 | 0.94% | 329 | 6 | CDP |
| Kaloko | 19 | 1,909 | 1,763 | 7.13% | 141 | 14 | CDP |
| Fern Acres | 20 | 1,850 | 1,740 | 1.26% | 272 | 7 | CDP |
| Nanawale Estates | 21 | 1,726 | 1,385 | 1.17% | 681 | 3 | CDP |
| Holualoa | 22 | 1,719 | 2,827 | -20.93% | 49 | 35 | CDP |
| Leilani Estates | 23 | 1,624 | 1,784 | 0.25% | 402 | 4 | CDP |
| Pahoa | 24 | 1,479 | 1,234 | 2.49% | 679 | 2 | CDP |
| Hawi | 25 | 1,459 | 1,325 | 1.81% | 180 | 8 | CDP |
| Pepeekeo | 26 | 1,380 | 1,531 | -1.99% | 1,256 | 1 | CDP |
| Discovery Harbour | 27 | 1,314 | 1,142 | 1.86% | 369 | 4 | CDP |
| Volcano Golf Course | 28 | 1,245 | 681 | 7.14% | 1,342 | 1 | CDP |
| Royal Hawaiian Estates | 29 | 1,197 | 1,303 | 7.07% | 410 | 3 | CDP |
| Halaula | 30 | 1,082 | 644 | 3.94% | 247 | 4 | CDP |
| Keaau | 31 | 1,049 | 1,280 | -7.17% | 167 | 6 | CDP |
| Laupahoehoe | 32 | 1,047 | 1,242 | 3.05% | 323 | 3 | CDP |
| Papaikou | 33 | 1,041 | 881 | -1.79% | 716 | 1 | CDP |
| Mauna Loa Estates | 34 | 1,015 | 1,134 | 7.18% | 553 | 2 | CDP |
| Wainaku | 35 | 973 | 1,066 | -1.72% | 737 | 1 | CDP |
| Eden Roc | 36 | 914 | 700 | -0.22% | 143 | 6 | CDP |
| Naalehu | 37 | 896 | 1,007 | 0.22% | 413 | 2 | CDP |
| Waikoloa Beach Resort | 38 | 827 | 606 | 7.12% | 117 | 7 | CDP |
| Fern Forest | 39 | 797 | 627 | -1.12% | 64 | 12 | CDP |
| Honalo | 40 | 621 | 810 | -16.19% | 23 | 27 | CDP |
| Paukaa | 41 | 595 | 604 | 1.88% | 1,809 | 0 | CDP |
| Paauilo | 42 | 536 | 487 | -0.74% | 447 | 1 | CDP |
| Tiki Gardens | 43 | 405 | 529 | 7.14% | 236 | 2 | CDP |
| Kukuihaele | 44 | 391 | 322 | 1.03% | 228 | 2 | CDP |
| Honomu | 45 | 389 | 429 | -2.02% | 851 | 0 | CDP |
| Seaview | 46 | 288 | 188 | 7.46% | 438 | 1 | CDP |
| Black Sands | 47 | 224 | 106 | 7.18% | 415 | 1 | CDP |
| Waiohinu | 48 | 209 | 220 | -0.48% | 156 | 1 | CDP |
| Kamaili | 49 | 195 | 132 | 7.14% | 28 | 7 | CDP |
| Puako | 50 | 174 | 250 | -18.69% | 54 | 3 | CDP |
| Volcano | 51 | 116 | 753 | -58.57% | 4 | 27 | CDP |
| Kalapana | 52 | 70 | 34 | 7.69% | 46 | 2 | CDP |
Hilo is the largest city in Hawaii County, with a population of 48,718.
Kalapana is the smallest city in Hawaii County, with a population of 70.
There are 52 cities in Hawaii County, Hawaii.