Ranking of Maine Counties By Percentage of Population with Other Groups Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 162.50K people in Maine with Other Groups ancestry (11.97% of Maine population). Among all Maine counties, Washington County had the highest percentage of its population with Other Groups ancestry (19.08%), followed by Somerset County (13.29%), and Piscataquis County (12.95%).

The chart and table below shows the top 10 counties with high percentage of its population having Other Groups 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 Other Groups Ancestry in 2021
Washington County
Somerset County
Piscataquis County
Penobscot County
Kennebec County
Hancock County
Waldo County
Cumberland County
York County
Sagadahoc County
Ranking of Maine Counties By Percentage of Population with Other Groups Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Washington County 19.08
2 Somerset County 13.29
3 Piscataquis County 12.95
4 Penobscot County 12.68
5 Kennebec County 12.66
6 Hancock County 12.38
7 Waldo County 11.83
8 Cumberland County 11.54
9 York County 11.52
10 Sagadahoc County 11.51
11 Lincoln County 11.37
12 Oxford County 11.25
13 Aroostook County 11.23
14 Knox County 11.21
15 Androscoggin County 11.17
16 Franklin County 10.79