Ranking of Hawaii Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Less than High School Diploma was 7.30%. Among all Hawaii counties, Kauai County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (7.92%), followed by Maui County (7.45%), and Honolulu County (7.25%).
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 Less than High School Diploma in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Kauai County | 7.92 |
| 2 | Maui County | 7.45 |
| 3 | Honolulu County | 7.25 |
| 4 | Hawaii County | 7.18 |
| 5 | Kalawao County | 6.38 |