Ranking of Maine Counties By 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. Among all Maine counties, Cumberland County had the highest population with American ancestry (13.43K), followed by Penobscot County (11.65K), and York County (11.54K).

The chart and table below shows the top 10 counties with high number of people with 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 Population with American Ancestry in 2021
Cumberland County
Penobscot County
York County
Kennebec County
Androscoggin County
Aroostook County
Hancock County
Somerset County
Oxford County
Waldo County
Ranking of Maine Counties By Population with American Ancestry in 2021
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Rank County Population
1 Cumberland County 13432
2 Penobscot County 11652
3 York County 11538
4 Kennebec County 6521
5 Androscoggin County 6383
6 Aroostook County 5021
7 Hancock County 4536
8 Somerset County 4303
9 Oxford County 4156
10 Waldo County 3432
11 Knox County 3360
12 Franklin County 2267
13 Sagadahoc County 2029
14 Washington County 1997
15 Lincoln County 1596
16 Piscataquis County 1542