Fastest Growing Counties in Hawaii (2026)

County
Rank
Change (2020)
2026 Pop.
2020 Pop.
Hawaii County15.13%211,036200,744
Kalawao County22.5%8280
Kauai County30.2%73,36073,210
Honolulu County4-2.48%987,2641,012,334
Maui County5-3.53%158,946164,762

Hawaii Counties Growth Overview

Hawaii's counties show varied growth patterns from 2020 to 2026. Hawaii County leads with 0.84% annualized growth, followed by Kalawao County (0.41%) and Kauai County (0.03%). The largest counties are Honolulu County (987,264), Hawaii County (211,036), and Maui County (158,946). Of the 5 counties in Hawaii, 3 are growing while 2 have experienced population decline. Overall, counties averaged 0.05% annualized growth, with total population growing by -0.24% annually.

Change (2020)

-0.05

-0.025

0

0.025

0.05

0.075