Stony Brook 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 12.05K Stony Brook CDP, NY population, 2.98K had Italian ancestry (24.76%), 2.54K had Other Groups ancestry (21.04%), and 2.53K had Irish ancestry (20.97%).
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).
Stony Brook CDP, NY Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Italian | 2983 | 24.76 |
| Other Groups | 2535 | 21.04 |
| Irish | 2526 | 20.97 |
| German | 1762 | 14.63 |
| Unclassified | 1670 | 13.86 |
| English | 839 | 6.96 |
| American | 833 | 6.91 |
| Polish | 739 | 6.13 |
| Russian | 442 | 3.67 |
| French (except Basque) | 245 | 2.03 |
| Portuguese | 240 | 1.99 |
| Austrian | 198 | 1.64 |
| Norwegian | 123 | 1.02 |
| West Indian (except Hispanic groups) | 115 | 0.96 |
| Greek | 114 | 0.95 |
| Israeli | 110 | 0.91 |
| Scottish | 102 | 0.85 |
| Ukrainian | 93 | 0.77 |
| Hungarian | 92 | 0.76 |
| Lithuanian | 88 | 0.73 |
| European | 72 | 0.60 |
| Syrian | 60 | 0.50 |
| Romanian | 58 | 0.48 |
| Haitian | 58 | 0.48 |
| Jamaican | 57 | 0.47 |
| Turkish | 54 | 0.45 |
| Eastern European | 50 | 0.42 |
| Welsh | 47 | 0.39 |
| Slavic | 45 | 0.37 |
| Swedish | 42 | 0.35 |
| Czech | 26 | 0.22 |
| Slovene | 24 | 0.20 |
| Dutch | 23 | 0.19 |
| Swiss | 23 | 0.19 |
| Australian | 21 | 0.17 |
| Danish | 20 | 0.17 |
| Northern European | 19 | 0.16 |
| Czechoslovakian | 17 | 0.14 |
| British | 13 | 0.11 |
| Croatian | 12 | 0.10 |
| French Canadian | 12 | 0.10 |
| Canadian | 8 | 0.07 |
| Egyptian | 7 | 0.06 |
| Albania | 3 | 0.03 |
| Scandinavian | 2 | 0.02 |
| Guyanese | 1 | 0.01 |