Ranking of Maine Counties By 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 population of Maine (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 62,607. Among all Maine counties, Cumberland County had the highest population (aged 25 years and above) with an educational attainment of Less than High School Diploma (9,503), followed by York County (8,758), and Penobscot County (7,008).
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.
You may also be interested in:
Related Topics: Maine ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Maine Counties By Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Items per page:
25
0 of 0
| Rank | County | Number of People |
|---|---|---|
| 1 | Cumberland County | 9503 |
| 2 | York County | 8758 |
| 3 | Penobscot County | 7008 |
| 4 | Androscoggin County | 6308 |
| 5 | Kennebec County | 5529 |
| 6 | Aroostook County | 4805 |
| 7 | Oxford County | 3551 |
| 8 | Somerset County | 3375 |
| 9 | Waldo County | 2043 |
| 10 | Hancock County | 2025 |
| 11 | Washington County | 2010 |
| 12 | Knox County | 1976 |
| 13 | Lincoln County | 1636 |
| 14 | Sagadahoc County | 1623 |
| 15 | Franklin County | 1344 |
| 16 | Piscataquis County | 1113 |