Massachusetts Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 6.99M Massachusetts population, 1.65M had Other Groups ancestry (23.58%), 1.35M had Irish ancestry (19.24%), and 1.30M had Unclassified ancestry (18.52%).
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 states, Massachusetts counties, congressional districts, and the United States.
NB: People could belong to one or more ancestry groups.
Related Topics: Massachusetts ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates (2021).
Massachusetts Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 1648735 | 23.58 |
| Irish | 1345219 | 19.24 |
| Unclassified | 1294862 | 18.52 |
| Italian | 815794 | 11.67 |
| English | 655283 | 9.37 |
| German | 387135 | 5.54 |
| French (except Basque) | 375415 | 5.37 |
| Polish | 283050 | 4.05 |
| Portuguese | 270183 | 3.86 |
| American | 260364 | 3.72 |
| French Canadian | 235524 | 3.37 |
| Subsaharan African | 158921 | 2.27 |
| West Indian (except Hispanic groups) | 139627 | 2.00 |
| Scottish | 134503 | 1.92 |
| Swedish | 102031 | 1.46 |
| Russian | 91511 | 1.31 |
| European | 85838 | 1.23 |
| Brazilian | 84214 | 1.20 |
| Haitian | 81050 | 1.16 |
| Greek | 76566 | 1.10 |
| Cape Verdean | 70962 | 1.01 |
| Lithuanian | 43215 | 0.62 |
| Canadian | 42113 | 0.60 |
| Scotch Irish | 41714 | 0.60 |
| Eastern European | 39738 | 0.57 |
| Norwegian | 35032 | 0.50 |
| British | 34855 | 0.50 |
| Dutch | 34354 | 0.49 |
| Jamaican | 34171 | 0.49 |
| African | 33640 | 0.48 |
| Lebanese | 31027 | 0.44 |
| Armenian | 27280 | 0.39 |
| Ukrainian | 24760 | 0.35 |
| Welsh | 23388 | 0.34 |
| Finnish | 22885 | 0.33 |
| Albania | 19953 | 0.28 |
| Hungarian | 19068 | 0.27 |
| Nigerian | 14864 | 0.21 |
| Danish | 14346 | 0.21 |
| Austrian | 14308 | 0.21 |
| Czech | 12119 | 0.17 |
| Scandinavian | 11699 | 0.17 |
| Northern European | 10170 | 0.14 |
| Swiss | 10126 | 0.14 |
| Iranian | 9287 | 0.13 |
| Ghanaian | 9021 | 0.13 |
| Romanian | 8679 | 0.12 |
| Trinidadian and Tobagonian | 7803 | 0.11 |
| Moroccan | 7765 | 0.11 |
| Turkish | 7490 | 0.11 |
| Slovak | 7069 | 0.10 |
| West Indian | 7049 | 0.10 |
| Syrian | 6593 | 0.09 |
| Barbadian | 6112 | 0.09 |
| Egyptian | 5994 | 0.09 |
| Ethiopian | 5878 | 0.08 |
| Belgian | 5790 | 0.08 |
| Kenyan | 5746 | 0.08 |
| Arab | 5426 | 0.08 |
| British West Indian | 4540 | 0.07 |
| Ugandan | 4281 | 0.06 |
| Israeli | 4251 | 0.06 |
| Croatian | 4147 | 0.06 |
| Latvian | 4106 | 0.06 |
| Bulgarian | 3857 | 0.06 |
| Iraqi | 3553 | 0.05 |
| Serbian | 3532 | 0.05 |
| Liberian | 2974 | 0.04 |
| Czechoslovakian | 2928 | 0.04 |
| Yugoslavian | 2635 | 0.04 |
| Somali | 2388 | 0.03 |
| Australian | 2246 | 0.03 |
| Slovene | 2193 | 0.03 |
| Palestinian | 2148 | 0.03 |
| Guyanese | 2113 | 0.03 |
| Slavic | 2008 | 0.03 |
| South African | 1692 | 0.02 |
| Celtic | 1446 | 0.02 |
| Jordanian | 1179 | 0.02 |
| Estonian | 1057 | 0.02 |
| Icelander | 871 | 0.01 |
| Bahamian | 862 | 0.01 |
| Afghan | 852 | 0.01 |
| Cajun | 764 | 0.01 |
| New Zealander | 760 | 0.01 |
| Sierra Leonean | 712 | 0.01 |
| Sudanese | 701 | 0.01 |
| US Virgin Islander | 692 | 0.01 |
| Pennsylvania German | 661 | 0.01 |
| Macedonian | 612 | 0.01 |
| Basque | 598 | 0.01 |
| Assyrian/Chaldean/Syriac | 577 | 0.01 |
| Bermudan | 435 | 0.01 |
| Maltese | 409 | 0.01 |
| Belizean | 319 | 0.01 |
| Alsatian | 272 | 0.00 |
| Senegalese | 264 | 0.00 |
| Cypriot | 259 | 0.00 |
| Zimbabwean | 253 | 0.00 |
| Luxembourger | 248 | 0.00 |
| Carpatho Rusyn | 107 | 0.00 |
| Dutch West Indian | 77 | 0.00 |
| Soviet Union | 65 | 0.00 |
| German Russian | 59 | 0.00 |