| County | Rank | Change (2020) ↓ | 2026 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Hawaii County | 1 | 6.24% | 213,284 | 200,754 |
| Kalawao County | 2 | 1.25% | 81 | 80 |
| Kauai County | 3 | 0.61% | 73,654 | 73,209 |
| Honolulu County | 4 | -0.53% | 1,007,089 | 1,012,407 |
| Maui County | 5 | -1.97% | 161,556 | 164,802 |
Hawaii's counties show varied growth patterns from 2020 to 2026. Hawaii County leads with 1.01% annualized growth, followed by Kalawao County (0.21%) and Kauai County (0.1%). The largest counties are Honolulu County (1,007,089), Hawaii County (213,284), and Maui County (161,556). Of the 5 counties in Hawaii, 3 are growing while 2 have experienced population decline. Overall, counties averaged 0.18% annualized growth, with total population growing by 0.05% annually.
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