Ranking of Maine Counties By Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent 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 High School Graduate or Equivalent was 291,041. Among all Maine counties, York County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (43,354), followed by Cumberland County (40,881), and Penobscot County (34,111).

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 High School Graduate or Equivalent in 2021
York County
Cumberland County
Penobscot County
Kennebec County
Androscoggin County
Aroostook County
Oxford County
Somerset County
Hancock County
Knox County
Ranking of Maine Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 York County 43354
2 Cumberland County 40881
3 Penobscot County 34111
4 Kennebec County 29670
5 Androscoggin County 25849
6 Aroostook County 18273
7 Oxford County 16639
8 Somerset County 14833
9 Hancock County 12844
10 Knox County 9297
11 Waldo County 9097
12 Lincoln County 8369
13 Washington County 7930
14 Sagadahoc County 7552
15 Franklin County 7540
16 Piscataquis County 4802