Ulster County, NY Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 181.86K Ulster County, NY population, 36.94K had Unclassified ancestry (20.31%), 36.45K had Irish ancestry (20.05%), and 34.96K had Other Groups ancestry (19.22%).
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 New York counties, and for New York.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Ulster County, NY Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Unclassified | 36942 | 20.31 |
| Irish | 36454 | 20.05 |
| Other Groups | 34957 | 19.22 |
| Italian | 30896 | 16.99 |
| German | 28559 | 15.70 |
| English | 14472 | 7.96 |
| Polish | 9443 | 5.19 |
| American | 8066 | 4.43 |
| Dutch | 6057 | 3.33 |
| French (except Basque) | 4820 | 2.65 |
| West Indian (except Hispanic groups) | 3490 | 1.92 |
| Scottish | 3177 | 1.75 |
| Russian | 3105 | 1.71 |
| European | 2723 | 1.50 |
| Jamaican | 2025 | 1.11 |
| Hungarian | 1883 | 1.03 |
| Greek | 1603 | 0.88 |
| Norwegian | 1557 | 0.86 |
| Ukrainian | 1511 | 0.83 |
| Eastern European | 1496 | 0.82 |
| Swedish | 1494 | 0.82 |
| British | 1308 | 0.72 |
| Welsh | 1167 | 0.64 |
| French Canadian | 1149 | 0.63 |
| Scotch Irish | 1098 | 0.60 |
| West Indian | 819 | 0.45 |
| Portuguese | 763 | 0.42 |
| Austrian | 729 | 0.40 |
| Subsaharan African | 697 | 0.38 |
| Romanian | 599 | 0.33 |
| Czech | 565 | 0.31 |
| Scandinavian | 551 | 0.30 |
| Danish | 539 | 0.30 |
| African | 533 | 0.29 |
| Northern European | 452 | 0.25 |
| Haitian | 443 | 0.24 |
| Slovak | 437 | 0.24 |
| Armenian | 430 | 0.24 |
| Canadian | 393 | 0.22 |
| Belgian | 365 | 0.20 |
| Croatian | 353 | 0.19 |
| Finnish | 353 | 0.19 |
| Yugoslavian | 327 | 0.18 |
| Lithuanian | 310 | 0.17 |
| Swiss | 279 | 0.15 |
| Brazilian | 274 | 0.15 |
| Turkish | 226 | 0.12 |
| Trinidadian and Tobagonian | 218 | 0.12 |
| Czechoslovakian | 215 | 0.12 |
| Lebanese | 209 | 0.12 |
| Iranian | 181 | 0.10 |
| Cajun | 160 | 0.09 |
| Albania | 150 | 0.08 |
| Australian | 133 | 0.07 |
| Jordanian | 123 | 0.07 |
| Syrian | 110 | 0.06 |
| Palestinian | 109 | 0.06 |
| Cypriot | 94 | 0.05 |
| Egyptian | 89 | 0.05 |
| British West Indian | 81 | 0.05 |
| Arab | 75 | 0.04 |
| Serbian | 64 | 0.04 |
| Guyanese | 57 | 0.03 |
| Nigerian | 55 | 0.03 |
| Estonian | 44 | 0.02 |
| Israeli | 40 | 0.02 |
| Slavic | 40 | 0.02 |
| Celtic | 39 | 0.02 |
| Latvian | 35 | 0.02 |
| South African | 32 | 0.02 |
| Maltese | 31 | 0.02 |
| Carpatho Rusyn | 27 | 0.02 |
| Macedonian | 26 | 0.01 |
| Iraqi | 22 | 0.01 |
| Ghanaian | 19 | 0.01 |
| Barbadian | 18 | 0.01 |
| Pennsylvania German | 16 | 0.01 |
| Moroccan | 12 | 0.01 |
| Icelander | 12 | 0.01 |
| Bahamian | 12 | 0.01 |
| Kenyan | 11 | 0.01 |
| Basque | 10 | 0.01 |
| Alsatian | 9 | 0.01 |
| New Zealander | 7 | 0.00 |
| Cape Verdean | 7 | 0.00 |