Ranking of Maine Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Bachelors or Higher 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 Maine (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 33.62%. Among all Maine counties, Cumberland County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (49.81%), followed by Sagadahoc County (38.25%), and Lincoln County (37.57%).
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.
You can also see similar information for other states and for the United States.
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Related Topics: Maine ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Maine Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Bachelors or Higher in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Cumberland County | 49.81 |
| 2 | Sagadahoc County | 38.25 |
| 3 | Lincoln County | 37.57 |
| 4 | Knox County | 36.30 |
| 5 | Hancock County | 35.50 |
| 6 | Waldo County | 32.90 |
| 7 | York County | 32.76 |
| 8 | Penobscot County | 30.01 |
| 9 | Kennebec County | 29.71 |
| 10 | Franklin County | 28.14 |
| 11 | Washington County | 23.99 |
| 12 | Androscoggin County | 22.92 |
| 13 | Oxford County | 21.11 |
| 14 | Aroostook County | 20.31 |
| 15 | Piscataquis County | 20.29 |
| 16 | Somerset County | 19.88 |