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 17.44K Islip CDP, NY population, 4.61K had Unclassified ancestry (26.43%), 4.49K had Italian ancestry (25.73%), and 4.13K had Irish ancestry (23.66%).
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).
Islip CDP, NY Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 4610 | 26.43 |
| Italian | 4487 | 25.73 |
| Irish | 4127 | 23.66 |
| Other Groups | 3469 | 19.89 |
| German | 2212 | 12.68 |
| English | 1087 | 6.23 |
| American | 599 | 3.43 |
| Polish | 510 | 2.92 |
| West Indian (except Hispanic groups) | 280 | 1.61 |
| Norwegian | 258 | 1.48 |
| French (except Basque) | 161 | 0.92 |
| Czech | 157 | 0.90 |
| Haitian | 141 | 0.81 |
| Russian | 132 | 0.76 |
| Greek | 119 | 0.68 |
| Dutch | 116 | 0.67 |
| Scottish | 116 | 0.67 |
| Swedish | 115 | 0.66 |
| Hungarian | 108 | 0.62 |
| Jamaican | 105 | 0.60 |
| European | 103 | 0.59 |
| Celtic | 98 | 0.56 |
| Turkish | 56 | 0.32 |
| Lithuanian | 51 | 0.29 |
| Eastern European | 45 | 0.26 |
| French Canadian | 45 | 0.26 |
| British | 34 | 0.20 |
| Latvian | 34 | 0.20 |
| Welsh | 33 | 0.19 |
| Egyptian | 32 | 0.18 |
| Maltese | 32 | 0.18 |
| Subsaharan African | 27 | 0.16 |
| Moroccan | 25 | 0.14 |
| West Indian | 23 | 0.13 |
| Brazilian | 21 | 0.12 |
| African | 21 | 0.12 |
| Austrian | 20 | 0.12 |
| Danish | 19 | 0.11 |
| Yugoslavian | 18 | 0.10 |
| Czechoslovakian | 17 | 0.10 |
| Alsatian | 16 | 0.09 |
| Estonian | 16 | 0.09 |
| Portuguese | 16 | 0.09 |
| Dutch West Indian | 11 | 0.06 |
| Syrian | 10 | 0.06 |
| Cypriot | 10 | 0.06 |
| Albania | 9 | 0.05 |
| Croatian | 9 | 0.05 |
| Scotch Irish | 9 | 0.05 |
| Trinidadian and Tobagonian | 8 | 0.05 |