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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 303 people in Maine with Celtic ancestry (0.02% of Maine population). Among all Maine counties, Waldo County had the highest percentage of its population with Celtic ancestry (0.13%), followed by Washington County (0.08%), and Hancock County (0.04%).

The chart and table below shows the top 10 counties with high percentage of its population having Celtic 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 Celtic Ancestry in 2021
Waldo County
Washington County
Hancock County
Cumberland County
Penobscot County
Somerset County
Lincoln County
York County
Androscoggin County
Kennebec County
Ranking of Maine Counties By Percentage of Population with Celtic Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Waldo County 0.13
2 Washington County 0.08
3 Hancock County 0.04
4 Cumberland County 0.03
4 Penobscot County 0.03
4 Somerset County 0.03
5 Lincoln County 0.02
5 York County 0.02
6 Androscoggin County 0.01
6 Kennebec County 0.01
7 Oxford County 0.004
8 Aroostook County 0.003