New Hampshire Population By Ancestry in 2021 (ACS-5Yrs)
Updated on April 15, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 1.37M New Hampshire population, 281.32K had Irish ancestry (20.50%), 250.60K had Unclassified ancestry (18.26%), and 236.51K had English ancestry (17.24%).
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 states.
NB: People could belong to one or more ancestry groups.
Related Topics: New Hampshire ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
New Hampshire Population By Ancestry in 2021
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| Ancestry | Population | Percent of Population (%) |
|---|---|---|
| Irish | 281316 | 20.50 |
| Unclassified | 250601 | 18.26 |
| English | 236513 | 17.24 |
| Other Groups | 180975 | 13.19 |
| French (except Basque) | 159100 | 11.60 |
| Italian | 136468 | 9.95 |
| German | 116909 | 8.52 |
| French Canadian | 114631 | 8.35 |
| American | 59671 | 4.35 |
| Scottish | 54494 | 3.97 |
| Polish | 53939 | 3.93 |
| Swedish | 23604 | 1.72 |
| Greek | 19462 | 1.42 |
| European | 19282 | 1.41 |
| Portuguese | 19011 | 1.39 |
| Scotch Irish | 16196 | 1.18 |
| Canadian | 12906 | 0.94 |
| Norwegian | 12356 | 0.90 |
| Russian | 12197 | 0.89 |
| Dutch | 11910 | 0.87 |
| British | 10040 | 0.73 |
| Welsh | 9693 | 0.71 |
| Subsaharan African | 8398 | 0.61 |
| Finnish | 7328 | 0.53 |
| Lithuanian | 6859 | 0.50 |
| Lebanese | 5900 | 0.43 |
| Ukrainian | 5165 | 0.38 |
| West Indian (except Hispanic groups) | 4990 | 0.36 |
| Scandinavian | 4551 | 0.33 |
| Eastern European | 4496 | 0.33 |
| Hungarian | 4371 | 0.32 |
| Danish | 3455 | 0.25 |
| Armenian | 3210 | 0.23 |
| African | 3144 | 0.23 |
| Czech | 3021 | 0.22 |
| Northern European | 2966 | 0.22 |
| Brazilian | 2841 | 0.21 |
| Austrian | 2732 | 0.20 |
| Swiss | 2523 | 0.18 |
| Haitian | 1973 | 0.14 |
| Albania | 1872 | 0.14 |
| Jamaican | 1858 | 0.14 |
| Belgian | 1786 | 0.13 |
| Romanian | 1399 | 0.10 |
| Yugoslavian | 1360 | 0.10 |
| Slovak | 1270 | 0.09 |
| Sudanese | 1203 | 0.09 |
| Syrian | 968 | 0.07 |
| Turkish | 709 | 0.05 |
| Czechoslovakian | 686 | 0.05 |
| Celtic | 669 | 0.05 |
| Cape Verdean | 643 | 0.05 |
| Iranian | 626 | 0.05 |
| Serbian | 624 | 0.05 |
| Moroccan | 617 | 0.05 |
| West Indian | 614 | 0.05 |
| Iraqi | 586 | 0.04 |
| Bulgarian | 544 | 0.04 |
| Kenyan | 532 | 0.04 |
| Latvian | 521 | 0.04 |
| Somali | 445 | 0.03 |
| Croatian | 430 | 0.03 |
| Slavic | 385 | 0.03 |
| Nigerian | 378 | 0.03 |
| Ethiopian | 367 | 0.03 |
| Australian | 338 | 0.03 |
| Pennsylvania German | 336 | 0.02 |
| Egyptian | 332 | 0.02 |
| Ghanaian | 300 | 0.02 |
| Barbadian | 291 | 0.02 |
| Maltese | 217 | 0.02 |
| Estonian | 211 | 0.02 |
| Icelander | 206 | 0.02 |
| Arab | 195 | 0.01 |
| Jordanian | 184 | 0.01 |
| Slovene | 178 | 0.01 |
| Trinidadian and Tobagonian | 168 | 0.01 |
| Liberian | 159 | 0.01 |
| Palestinian | 148 | 0.01 |
| South African | 144 | 0.01 |
| Cajun | 114 | 0.01 |
| Israeli | 108 | 0.01 |
| Luxembourger | 86 | 0.01 |
| Afghan | 83 | 0.01 |
| Ugandan | 78 | 0.01 |
| German Russian | 69 | 0.01 |
| New Zealander | 66 | 0.01 |
| British West Indian | 66 | 0.01 |
| Basque | 57 | 0.004 |
| Zimbabwean | 56 | 0.004 |
| Dutch West Indian | 47 | 0.003 |
| Alsatian | 44 | 0.003 |
| Carpatho Rusyn | 34 | 0.003 |
| Guyanese | 33 | 0.002 |
| Cypriot | 28 | 0.002 |
| Bermudan | 25 | 0.002 |
| Belizean | 19 | 0.001 |
| Assyrian/Chaldean/Syriac | 12 | 0.001 |
| Senegalese | 7 | 0.001 |
| Bahamian | 5 | 0.000 |
| Macedonian | 3 | 0.000 |