Hawaii Citizen Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen population for Hawaii was 1,346,110 and represented 92.61% of the total Hawaii population.

Among all Hawaii counties, Honolulu had the highest citizen population (940.74K), followed by Hawaii (186.65K), and Maui (151.19K).

In terms of percentages, Hawaii had the highest percentage of its population being citizens (93.11%), followed by Honolulu (92.67%), and Kauai (92.15%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

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Hawaii Citizen Population By County in 2021
Hawaii Citizen Population By County in 2021
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County Citizen Population % of County Population
Honolulu 940735 92.67
Hawaii 186650 93.11
Maui 151185 91.87
Kauai 67495 92.15
Kalawao 45 90.00