Kauai County Flag

Kauai County

State:
Hawaii
County Seat:
Lihue

Kauai County's estimated 2026 population is 73,360 with a growth rate of -0.05% in the past year according to the most recent United States census data. Kauai County is the 4th largest county in Hawaii. The 2010 population was 67,208 and has seen a growth of 9.15% since that time.

73,360
Total Population
118
Population Density (mi²)
4
Population Rank (State)
-40 -0.05%
Annual Population Growth

Kauai County Population

Demographics

Economics and Income Statistics