Barnstable County, MA Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 227.94K Barnstable County, MA population, 59.00K had Irish ancestry (25.88%), 42.09K had Unclassified ancestry (18.47%), and 37.16K had English ancestry (16.30%).
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 Massachusetts counties, and for Massachusetts.
Data Source: US Census - ACS 5-Year Estimates (2021).
Barnstable County, MA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Irish | 59001 | 25.88 |
| Unclassified | 42093 | 18.47 |
| English | 37156 | 16.30 |
| Italian | 24931 | 10.94 |
| Other Groups | 24858 | 10.91 |
| German | 18543 | 8.14 |
| French (except Basque) | 11588 | 5.08 |
| American | 9477 | 4.16 |
| Portuguese | 9441 | 4.14 |
| Polish | 8211 | 3.60 |
| Scottish | 7724 | 3.39 |
| French Canadian | 6461 | 2.83 |
| Swedish | 5987 | 2.63 |
| Brazilian | 4759 | 2.09 |
| West Indian (except Hispanic groups) | 3647 | 1.60 |
| European | 3539 | 1.55 |
| Subsaharan African | 3373 | 1.48 |
| Russian | 2627 | 1.15 |
| Lithuanian | 2437 | 1.07 |
| Cape Verdean | 2409 | 1.06 |
| Jamaican | 2408 | 1.06 |
| Norwegian | 2248 | 0.99 |
| Scotch Irish | 2187 | 0.96 |
| Greek | 1995 | 0.88 |
| Dutch | 1990 | 0.87 |
| British | 1861 | 0.82 |
| Eastern European | 1475 | 0.65 |
| Canadian | 1446 | 0.63 |
| Finnish | 1439 | 0.63 |
| Welsh | 891 | 0.39 |
| Lebanese | 889 | 0.39 |
| Danish | 819 | 0.36 |
| Haitian | 810 | 0.36 |
| Serbian | 788 | 0.35 |
| African | 759 | 0.33 |
| Austrian | 733 | 0.32 |
| Hungarian | 724 | 0.32 |
| Scandinavian | 684 | 0.30 |
| Armenian | 597 | 0.26 |
| Czech | 548 | 0.24 |
| Northern European | 538 | 0.24 |
| Ukrainian | 511 | 0.22 |
| Swiss | 466 | 0.20 |
| Albania | 330 | 0.14 |
| Bulgarian | 327 | 0.14 |
| British West Indian | 314 | 0.14 |
| Slovak | 263 | 0.12 |
| Latvian | 240 | 0.11 |
| Australian | 223 | 0.10 |
| Croatian | 215 | 0.09 |
| Belgian | 199 | 0.09 |
| Romanian | 197 | 0.09 |
| Slavic | 191 | 0.08 |
| Turkish | 143 | 0.06 |
| Syrian | 126 | 0.06 |
| Celtic | 124 | 0.05 |
| Czechoslovakian | 111 | 0.05 |
| South African | 92 | 0.04 |
| West Indian | 85 | 0.04 |
| Pennsylvania German | 70 | 0.03 |
| Egyptian | 65 | 0.03 |
| Iranian | 61 | 0.03 |
| Moroccan | 60 | 0.03 |
| Icelander | 54 | 0.02 |
| Arab | 53 | 0.02 |
| Alsatian | 41 | 0.02 |
| Guyanese | 40 | 0.02 |
| Estonian | 35 | 0.02 |
| Barbadian | 35 | 0.02 |
| Cajun | 29 | 0.01 |
| Bermudan | 28 | 0.01 |
| Jordanian | 26 | 0.01 |
| Yugoslavian | 26 | 0.01 |
| New Zealander | 18 | 0.01 |
| Nigerian | 15 | 0.01 |
| Israeli | 9 | 0.00 |
| Assyrian/Chaldean/Syriac | 8 | 0.00 |
| Maltese | 8 | 0.00 |
| US Virgin Islander | 1 | 0.00 |