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List of Cities and Counties in Hawaii
Discover Hawaii population facts easily with our list of counties and cities. Find out how many people live in each area, from big cities to small towns, and see how Hawaii’s population is spread out across the state.
Hawaii Counties by Population
A county is an administrative subdivision of a US state or territory. As of 2024, Hawaii is divided into 5 counties. Counties in Hawaii are the only legally constituted government bodies below that of the state. No formal level of government (such as city governments) exists below that of the county in Hawaii.
The average population of Hawaii counties is 288,311; Honolulu County is the most populous (1 million) and Kalawao County is the least (82). The average land area is 1275 sq mi. The largest county is Hawaii County (4,028 sq mi) and the smallest is Kalawao County (5.2 sq mi).
read about the Population of Hawaii
| # | County | Population 2021 | Area (sq. mi.) | Density (people/sq. mi.) |
| 1 | Honolulu County | 1,000,890 | 597 | 1,676.53 |
| 2 | Hawaii County | 202,906 | 4,028 | 50.37 |
| 3 | Maui County | 164,221 | 1,120 | 146.63 |
| 4 | Kauai County | 73,454 | 622 | 118.09 |
| 5 | Kalawao County | 82 | 5.2 | 15.77 |
Source: US Census report 2021
read about the race and ethnicity in Hawaii
Cities and Towns in Hawaii
There are no separate cities and Towns in Hawaii. Honolulu is both a city and a county.
list of Top census-designated places in Hawaii.
| Rank | Name | Population (2020) | County |
| 1 | Honolulu | 350,964 | Honolulu |
| 2 | East Honolulu | 50,922 | Honolulu |
| 3 | Pearl City | 45,295 | Honolulu |
| 4 | Hilo | 44,186 | Hawaii |
| 5 | Waipahu | 43,485 | Honolulu |
| 6 | Kailua | 40,514 | Honolulu |
| 7 | Kaneohe | 37,430 | Honolulu |
| 8 | Kahului | 28,219 | Maui |
| 9 | Mililani Town | 28,121 | Honolulu |
| 10 | Ewa Gentry | 25,707 | Honolulu |
| 11 | Kihei | 21,423 | Maui |
| 12 | Kapolei | 21,411 | Honolulu |
| 13 | Mililani Mauka | 21,075 | Honolulu |
| 14 | Makakilo | 19,877 | Honolulu |
| 15 | Kailua | 19,713 | Hawaii |
| 16 | Wahiawa | 18,658 | Honolulu |
| 17 | Wailuku | 17,697 | Maui |
| 18 | Ewa Beach | 16,415 | Honolulu |
| 19 | Halawa | 15,016 | Honolulu |
| 20 | Ocean Pointe | 14,965 | Honolulu |
read about the religion in Hawaii
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