Ranking of Maine Counties By Percentage of Population with American Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 83.77K people in Maine with American ancestry (6.17% of Maine population). Among all Maine counties, Piscataquis County had the highest percentage of its population with American ancestry (9.20%), followed by Waldo County (8.66%), and Somerset County (8.53%).

The chart and table below shows the top 10 counties with high percentage of its population having American ancestry.

You can see similar information for other states and for other ancestry groups in Maine.

Data Source: US Census Bureau.
Ranking of Maine Counties By Percentage of Population with American Ancestry in 2021
Piscataquis County
Waldo County
Somerset County
Knox County
Hancock County
Franklin County
Penobscot County
Aroostook County
Oxford County
Washington County
Ranking of Maine Counties By Percentage of Population with American Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Piscataquis County 9.20
2 Waldo County 8.66
3 Somerset County 8.53
4 Knox County 8.29
5 Hancock County 8.19
6 Franklin County 7.69
7 Penobscot County 7.66
8 Aroostook County 7.46
9 Oxford County 7.19
10 Washington County 6.44
11 Androscoggin County 5.78
12 Sagadahoc County 5.55
13 York County 5.48
14 Kennebec County 5.29
15 Lincoln County 4.55
16 Cumberland County 4.47