Ranking of Hawaii Counties By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Hawaii (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 26.85%. Among all Hawaii counties, Maui County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (30.12%), followed by Kauai County (29.55%), and Hawaii County (29.38%).
The chart below shows the top 5 Hawaii counties, and the table below shows the ranking of all Hawaii counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Hawaii ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Hawaii Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Maui County | 30.12 |
| 2 | Kauai County | 29.55 |
| 3 | Hawaii County | 29.38 |
| 4 | Kalawao County | 27.66 |
| 5 | Honolulu County | 25.59 |