| County | Rank | Change (2020) ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Hawaii County | 1 | 4.69% | 210,149 | 200,744 |
| Kalawao County | 2 | 1.25% | 81 | 80 |
| Kauai County | 3 | 1.09% | 73,987 | 73,190 |
| Maui County | 4 | -0.57% | 163,831 | 164,768 |
| Honolulu County | 5 | -3.34% | 978,568 | 1,012,399 |
Hawaii's counties show varied growth patterns from 2020 to 2025. Hawaii County leads with 4.69% annualized growth, followed by Kalawao County (1.25%) and Kauai County (1.09%). The largest counties are Honolulu County (978,568), Hawaii County (210,149), and Maui County (163,831). Of the 5 counties in Hawaii, 3 are growing while 2 have experienced population decline. Overall, counties averaged 0.62% annualized growth, with total population growing by -1.69% annually.