Somerset County, ME Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 50.42K Somerset County, ME population, 13.17K had Unclassified ancestry (26.12%), 8.88K had English ancestry (17.61%), and 7.19K had Irish ancestry (14.27%).
The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.
You can see similar information for other Maine counties, and for Maine.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Somerset County, ME Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Unclassified | 13170 | 26.12 |
| English | 8882 | 17.61 |
| Irish | 7193 | 14.27 |
| Other Groups | 6699 | 13.29 |
| French (except Basque) | 6677 | 13.24 |
| American | 4303 | 8.53 |
| German | 3528 | 7.00 |
| French Canadian | 3324 | 6.59 |
| Scottish | 2257 | 4.48 |
| Italian | 1916 | 3.80 |
| Polish | 1422 | 2.82 |
| Scotch Irish | 805 | 1.60 |
| Canadian | 724 | 1.44 |
| Swedish | 695 | 1.38 |
| European | 563 | 1.12 |
| Dutch | 507 | 1.00 |
| Welsh | 407 | 0.81 |
| British | 362 | 0.72 |
| Portuguese | 330 | 0.65 |
| Norwegian | 251 | 0.50 |
| Scandinavian | 245 | 0.49 |
| Finnish | 232 | 0.46 |
| Czechoslovakian | 176 | 0.35 |
| Lebanese | 174 | 0.35 |
| Russian | 172 | 0.34 |
| Lithuanian | 100 | 0.20 |
| Danish | 96 | 0.19 |
| Ukrainian | 83 | 0.17 |
| Hungarian | 73 | 0.14 |
| Armenian | 69 | 0.14 |
| Australian | 68 | 0.14 |
| Greek | 56 | 0.11 |
| Austrian | 47 | 0.09 |
| Subsaharan African | 45 | 0.09 |
| Czech | 32 | 0.06 |
| Eastern European | 29 | 0.06 |
| Slovak | 26 | 0.05 |
| Northern European | 25 | 0.05 |
| Romanian | 21 | 0.04 |
| Celtic | 13 | 0.03 |
| Swiss | 10 | 0.02 |
| Bulgarian | 9 | 0.02 |
| African | 9 | 0.02 |
| Yugoslavian | 9 | 0.02 |
| Syrian | 8 | 0.02 |
| Estonian | 8 | 0.02 |
| Croatian | 7 | 0.01 |
| Assyrian/Chaldean/Syriac | 6 | 0.01 |
| Belgian | 4 | 0.01 |
| Slavic | 1 | 0.00 |