West Islip CDP, NY Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 7, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 27.56K West Islip CDP, NY population, 9.64K had Italian ancestry (34.99%), 6.78K had Irish ancestry (24.60%), and 6.63K had Unclassified ancestry (24.07%).
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 also see similar information for other New York cities and places, New York counties, and for New York.
Data Source: US Census - ACS 5-Year Estimates (2021).
West Islip CDP, NY Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Italian | 9642 | 34.99 |
| Irish | 6780 | 24.60 |
| Unclassified | 6632 | 24.07 |
| German | 4014 | 14.57 |
| Other Groups | 3268 | 11.86 |
| Polish | 1717 | 6.23 |
| English | 1381 | 5.01 |
| American | 889 | 3.23 |
| Russian | 298 | 1.08 |
| Greek | 275 | 1.00 |
| Scottish | 268 | 0.97 |
| Portuguese | 242 | 0.88 |
| French (except Basque) | 222 | 0.81 |
| Norwegian | 198 | 0.72 |
| Turkish | 176 | 0.64 |
| Eastern European | 162 | 0.59 |
| Dutch | 156 | 0.57 |
| Ukrainian | 136 | 0.49 |
| Swedish | 133 | 0.48 |
| European | 123 | 0.45 |
| Czech | 122 | 0.44 |
| Hungarian | 91 | 0.33 |
| Scotch Irish | 84 | 0.31 |
| West Indian (except Hispanic groups) | 80 | 0.29 |
| Maltese | 72 | 0.26 |
| Welsh | 72 | 0.26 |
| French Canadian | 68 | 0.25 |
| Lithuanian | 65 | 0.24 |
| Czechoslovakian | 64 | 0.23 |
| Haitian | 54 | 0.20 |
| Croatian | 48 | 0.17 |
| Austrian | 42 | 0.15 |
| Armenian | 40 | 0.14 |
| Brazilian | 39 | 0.14 |
| Danish | 36 | 0.13 |
| Belgian | 34 | 0.12 |
| Scandinavian | 30 | 0.11 |
| Jamaican | 26 | 0.09 |
| Northern European | 25 | 0.09 |
| Swiss | 25 | 0.09 |
| Romanian | 23 | 0.08 |
| Slovak | 19 | 0.07 |
| Egyptian | 18 | 0.07 |
| Yugoslavian | 18 | 0.07 |
| Bulgarian | 11 | 0.04 |
| Iranian | 11 | 0.04 |
| Macedonian | 11 | 0.04 |
| Estonian | 10 | 0.04 |
| Slavic | 10 | 0.04 |
| Latvian | 8 | 0.03 |