Warren County, NJ Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 109.35K Warren County, NJ population, 22.99K had German ancestry (21.03%), 22.55K had Italian ancestry (20.62%), and 21.62K had Irish ancestry (19.77%).
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 see similar information for other New Jersey counties, and for New Jersey.
Data Source: US Census - ACS 5-Year Estimates (2021).
Warren County, NJ Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 22993 | 21.03 |
| Italian | 22545 | 20.62 |
| Irish | 21615 | 19.77 |
| Other Groups | 18617 | 17.02 |
| Unclassified | 18113 | 16.56 |
| English | 10280 | 9.40 |
| Polish | 7587 | 6.94 |
| American | 3860 | 3.53 |
| Hungarian | 2953 | 2.70 |
| Dutch | 2738 | 2.50 |
| Scottish | 1821 | 1.67 |
| French (except Basque) | 1801 | 1.65 |
| Ukrainian | 1674 | 1.53 |
| European | 1524 | 1.39 |
| Russian | 1457 | 1.33 |
| West Indian (except Hispanic groups) | 1060 | 0.97 |
| Greek | 1042 | 0.95 |
| Welsh | 974 | 0.89 |
| Swedish | 962 | 0.88 |
| Scotch Irish | 828 | 0.76 |
| Subsaharan African | 811 | 0.74 |
| Slovak | 778 | 0.71 |
| Norwegian | 718 | 0.66 |
| Lithuanian | 697 | 0.64 |
| Haitian | 609 | 0.56 |
| Swiss | 589 | 0.54 |
| Portuguese | 580 | 0.53 |
| British | 506 | 0.46 |
| French Canadian | 468 | 0.43 |
| Czech | 369 | 0.34 |
| Danish | 369 | 0.34 |
| Pennsylvania German | 333 | 0.31 |
| Austrian | 306 | 0.28 |
| Eastern European | 300 | 0.27 |
| Romanian | 290 | 0.27 |
| African | 284 | 0.26 |
| Guyanese | 280 | 0.26 |
| Nigerian | 257 | 0.24 |
| Scandinavian | 253 | 0.23 |
| Albania | 249 | 0.23 |
| Croatian | 224 | 0.21 |
| Czechoslovakian | 222 | 0.20 |
| Trinidadian and Tobagonian | 204 | 0.19 |
| Jamaican | 187 | 0.17 |
| Finnish | 181 | 0.17 |
| Egyptian | 177 | 0.16 |
| Brazilian | 105 | 0.10 |
| Yugoslavian | 92 | 0.08 |
| Armenian | 90 | 0.08 |
| Ghanaian | 88 | 0.08 |
| South African | 76 | 0.07 |
| Canadian | 72 | 0.07 |
| Slavic | 64 | 0.06 |
| Latvian | 60 | 0.06 |
| Turkish | 56 | 0.05 |
| Lebanese | 53 | 0.05 |
| Northern European | 47 | 0.04 |
| Afghan | 46 | 0.04 |
| Syrian | 44 | 0.04 |
| Belgian | 43 | 0.04 |
| Ethiopian | 42 | 0.04 |
| Iranian | 39 | 0.04 |
| Bulgarian | 37 | 0.03 |
| Serbian | 37 | 0.03 |
| Australian | 28 | 0.03 |
| Celtic | 28 | 0.03 |
| Belizean | 24 | 0.02 |
| Estonian | 23 | 0.02 |
| Alsatian | 20 | 0.02 |
| Bahamian | 15 | 0.01 |
| Bermudan | 11 | 0.01 |
| West Indian | 10 | 0.01 |
| Israeli | 9 | 0.01 |
| Macedonian | 9 | 0.01 |
| Arab | 6 | 0.01 |
| Luxembourger | 4 | 0.00 |
| Slovene | 4 | 0.00 |