Riverhead 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 14.32K Riverhead CDP, NY population, 5.16K had Other Groups ancestry (36.05%), 3.10K had Unclassified ancestry (21.66%), and 1.31K had Polish ancestry (9.17%).
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).
Riverhead CDP, NY Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 5161 | 36.05 |
| Unclassified | 3101 | 21.66 |
| Polish | 1313 | 9.17 |
| Italian | 1261 | 8.81 |
| Irish | 1232 | 8.61 |
| German | 1202 | 8.40 |
| English | 586 | 4.09 |
| American | 544 | 3.80 |
| West Indian (except Hispanic groups) | 471 | 3.29 |
| European | 365 | 2.55 |
| Subsaharan African | 348 | 2.43 |
| Jamaican | 298 | 2.08 |
| African | 282 | 1.97 |
| Dutch | 182 | 1.27 |
| Belgian | 173 | 1.21 |
| Haitian | 173 | 1.21 |
| Russian | 159 | 1.11 |
| Scottish | 114 | 0.80 |
| French Canadian | 111 | 0.78 |
| Ukrainian | 111 | 0.78 |
| Lithuanian | 105 | 0.73 |
| French (except Basque) | 91 | 0.64 |
| Ghanaian | 66 | 0.46 |
| Czechoslovakian | 49 | 0.34 |
| Eastern European | 42 | 0.29 |
| Czech | 41 | 0.29 |
| Northern European | 39 | 0.27 |
| Danish | 38 | 0.27 |
| Hungarian | 35 | 0.24 |
| Greek | 34 | 0.24 |
| British | 30 | 0.21 |
| Alsatian | 27 | 0.19 |
| Canadian | 22 | 0.15 |
| Swedish | 22 | 0.15 |
| Scotch Irish | 18 | 0.13 |
| Portuguese | 17 | 0.12 |
| Swiss | 16 | 0.11 |
| Austrian | 14 | 0.10 |
| Norwegian | 10 | 0.07 |
| Turkish | 9 | 0.06 |
| Slovak | 8 | 0.06 |
| Scandinavian | 6 | 0.04 |
| Bulgarian | 4 | 0.03 |
| Romanian | 4 | 0.03 |