Ranking of Maine Cities and Places By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Maine American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 11.88%. Among all Maine cities and places with a population of 10K or higher, Augusta city had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (61.85%), followed by South Portland city (36.17%), and Portland city (22.43%).

The chart below shows the top 10 Maine cities and places (with a population of 10K+), and the table below shows the ranking of all Maine cities and places (with a population of 10K+).

You can see similar information for other educational attainments, and for other races and ethnicities.

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

Ranking of Maine Cities and Places By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Augusta city
South Portland city
Portland city
Auburn city
Lewiston city
Bangor city
Biddeford city
Brunswick CDP
Saco city
Sanford city
Ranking of Maine Cities and Places By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Augusta city 61.85
2 South Portland city 36.17
3 Portland city 22.43
4 Auburn city 21.43
5 Lewiston city 17.50
6 Bangor city 1.97
7 Biddeford city 0.00
7 Brunswick CDP 0.00
7 Saco city 0.00
7 Sanford city 0.00
7 Waterville city 0.00
7 Westbrook city 0.00