Data / Rankings / Median age / Counties in Hawaii

Counties in Hawaii by median age

Hawaii County had the highest median age of 5 counties in 2023, at 44.1 years. Honolulu County had the lowest, at 39.4 years. The median was 42.7 years and the figure for Hawaii was 40.6 years. Source: the U.S. Census Bureau.

Highest44.1Hawaii County
Lowest39.4Honolulu County
Median42.75 counties
Hawaii40.6History

All counties, 2023

CSVChart (SVG)

Hawaii CountyHawaii County: 44.1 years44.1Maui CountyMaui County: 42.9 years42.9Kauai CountyKauai County: 42.7 years42.7Kalawao CountyKalawao County: 39.9 years39.9Honolulu CountyHonolulu County: 39.4 years39.4
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
years		Change on 2022
1Hawaii County44.1+0.8
2Maui County42.9+0.7
3Kauai County42.7+0.4
4Kalawao County39.9-3.4
5Honolulu County39.4+0.6

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Hawaii County, with 44.1 years in 2023, according to the U.S. Census Bureau.

Which county has the lowest median age?

Honolulu County, with 39.4 years in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Hawaii: more rankings