Ranking of Maine Counties By Non-Hispanic White 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 Maine Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 55,701. Among all Maine counties, York County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (8,016), followed by Cumberland County (7,011), and Penobscot County (6,519).

The chart below shows the top 10 Maine counties, and the table below shows the ranking of all Maine counties.

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 Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
York County
Cumberland County
Penobscot County
Androscoggin County
Kennebec County
Aroostook County
Oxford County
Somerset County
Waldo County
Hancock County
Ranking of Maine Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 York County 8016
2 Cumberland County 7011
3 Penobscot County 6519
4 Androscoggin County 5488
5 Kennebec County 5029
6 Aroostook County 4489
7 Oxford County 3412
8 Somerset County 3166
9 Waldo County 1938
10 Hancock County 1899
11 Knox County 1837
12 Washington County 1767
13 Lincoln County 1533
14 Sagadahoc County 1343
15 Franklin County 1271
16 Piscataquis County 983