Somerset County, PA Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 74.33K Somerset County, PA population, 25.49K had German ancestry (34.30%), 20.95K had Unclassified ancestry (28.18%), and 7.90K had Irish ancestry (10.63%).
The chart below shows the top 10 ancestry groups, and the table below shows both the number and percentages for all ancestry groups.
You can see similar information for other Pennsylvania counties, and for Pennsylvania.
Data Source: US Census - ACS 5-Year Estimates (2021).
Somerset County, PA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 25492 | 34.30 |
| Unclassified | 20949 | 28.18 |
| Irish | 7903 | 10.63 |
| Other Groups | 6499 | 8.74 |
| English | 5416 | 7.29 |
| Italian | 5397 | 7.26 |
| Polish | 5208 | 7.01 |
| American | 3522 | 4.74 |
| Hungarian | 1500 | 2.02 |
| Slovak | 1479 | 1.99 |
| Scottish | 1376 | 1.85 |
| Dutch | 1240 | 1.67 |
| Welsh | 997 | 1.34 |
| French (except Basque) | 982 | 1.32 |
| Swiss | 968 | 1.30 |
| Pennsylvania German | 868 | 1.17 |
| Scotch Irish | 703 | 0.95 |
| European | 693 | 0.93 |
| Russian | 612 | 0.82 |
| Czech | 360 | 0.48 |
| Ukrainian | 327 | 0.44 |
| British | 291 | 0.39 |
| Austrian | 239 | 0.32 |
| Slavic | 213 | 0.29 |
| Eastern European | 186 | 0.25 |
| Croatian | 185 | 0.25 |
| Swedish | 181 | 0.24 |
| Czechoslovakian | 138 | 0.19 |
| Greek | 136 | 0.18 |
| Norwegian | 125 | 0.17 |
| Subsaharan African | 101 | 0.14 |
| Serbian | 90 | 0.12 |
| West Indian (except Hispanic groups) | 74 | 0.10 |
| Slovene | 73 | 0.10 |
| Scandinavian | 69 | 0.09 |
| African | 54 | 0.07 |
| Lithuanian | 45 | 0.06 |
| Finnish | 42 | 0.06 |
| Lebanese | 40 | 0.05 |
| Syrian | 39 | 0.05 |
| French Canadian | 33 | 0.04 |
| Portuguese | 29 | 0.04 |
| Haitian | 29 | 0.04 |
| Yugoslavian | 28 | 0.04 |
| Carpatho Rusyn | 23 | 0.03 |
| Trinidadian and Tobagonian | 21 | 0.03 |
| Danish | 19 | 0.03 |
| Jamaican | 19 | 0.03 |
| Belgian | 15 | 0.02 |
| Celtic | 15 | 0.02 |
| West Indian | 12 | 0.02 |
| Romanian | 10 | 0.01 |
| Estonian | 9 | 0.01 |
| Alsatian | 8 | 0.01 |
| Maltese | 8 | 0.01 |
| Canadian | 6 | 0.01 |
| Australian | 5 | 0.01 |
| Moroccan | 3 | 0.00 |
| Northern European | 2 | 0.00 |