Ranking of Maine Counties By Percentage of Population with Scotch Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 19.68K people in Maine with Scotch Irish ancestry (1.45% of Maine population). Among all Maine counties, Knox County had the highest percentage of its population with Scotch Irish ancestry (2.41%), followed by Sagadahoc County (1.78%), and Cumberland County (1.69%).
The chart and table below shows the top 10 counties with high percentage of its population having Scotch Irish ancestry.
You can see similar information for other states and for other ancestry groups in Maine.
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Related Topics: Maine ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Maine Counties By Percentage of Population with Scotch Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Knox County | 2.41 |
| 2 | Sagadahoc County | 1.78 |
| 3 | Cumberland County | 1.69 |
| 4 | Waldo County | 1.65 |
| 5 | Somerset County | 1.60 |
| 5 | Washington County | 1.60 |
| 6 | Lincoln County | 1.56 |
| 7 | Oxford County | 1.55 |
| 8 | Hancock County | 1.44 |
| 9 | Androscoggin County | 1.40 |
| 10 | Piscataquis County | 1.38 |
| 11 | Kennebec County | 1.35 |
| 12 | Penobscot County | 1.29 |
| 13 | Franklin County | 1.25 |
| 14 | Aroostook County | 1.24 |
| 15 | York County | 1.04 |