Sussex 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 144.49K Sussex County, NJ population, 32.13K had Irish ancestry (22.24%), 31.44K had Italian ancestry (21.76%), and 27.34K had German ancestry (18.92%).
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).
Sussex County, NJ Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Irish | 32134 | 22.24 |
| Italian | 31441 | 21.76 |
| German | 27344 | 18.92 |
| Unclassified | 25257 | 17.48 |
| Other Groups | 21601 | 14.95 |
| English | 12497 | 8.65 |
| Polish | 12230 | 8.46 |
| American | 7154 | 4.95 |
| Dutch | 5088 | 3.52 |
| Scottish | 2723 | 1.89 |
| French (except Basque) | 2506 | 1.73 |
| Hungarian | 2098 | 1.45 |
| Russian | 2073 | 1.44 |
| Swedish | 1914 | 1.33 |
| Ukrainian | 1603 | 1.11 |
| Norwegian | 1540 | 1.07 |
| European | 1269 | 0.88 |
| Portuguese | 1052 | 0.73 |
| Scotch Irish | 1030 | 0.71 |
| Greek | 989 | 0.68 |
| British | 947 | 0.66 |
| Lithuanian | 930 | 0.64 |
| Slovak | 770 | 0.53 |
| Eastern European | 732 | 0.51 |
| Austrian | 697 | 0.48 |
| Welsh | 689 | 0.48 |
| West Indian (except Hispanic groups) | 598 | 0.41 |
| French Canadian | 582 | 0.40 |
| Czech | 551 | 0.38 |
| Armenian | 396 | 0.27 |
| Swiss | 377 | 0.26 |
| Croatian | 374 | 0.26 |
| Slavic | 363 | 0.25 |
| Subsaharan African | 363 | 0.25 |
| Turkish | 346 | 0.24 |
| Albania | 338 | 0.23 |
| Canadian | 319 | 0.22 |
| Scandinavian | 302 | 0.21 |
| Belgian | 298 | 0.21 |
| Danish | 277 | 0.19 |
| Czechoslovakian | 272 | 0.19 |
| Romanian | 257 | 0.18 |
| Brazilian | 237 | 0.16 |
| Haitian | 230 | 0.16 |
| Finnish | 167 | 0.12 |
| Northern European | 167 | 0.12 |
| West Indian | 163 | 0.11 |
| Jamaican | 151 | 0.11 |
| Guyanese | 128 | 0.09 |
| Lebanese | 115 | 0.08 |
| Egyptian | 114 | 0.08 |
| Yugoslavian | 99 | 0.07 |
| Ghanaian | 94 | 0.07 |
| South African | 92 | 0.06 |
| Israeli | 89 | 0.06 |
| Palestinian | 88 | 0.06 |
| Pennsylvania German | 80 | 0.06 |
| Macedonian | 67 | 0.05 |
| Nigerian | 67 | 0.05 |
| Arab | 54 | 0.04 |
| African | 47 | 0.03 |
| Cypriot | 42 | 0.03 |
| Slovene | 40 | 0.03 |
| Australian | 36 | 0.03 |
| Barbadian | 36 | 0.03 |
| Maltese | 34 | 0.02 |
| Syrian | 33 | 0.02 |
| Kenyan | 31 | 0.02 |
| Iranian | 28 | 0.02 |
| Iraqi | 26 | 0.02 |
| Luxembourger | 22 | 0.02 |
| Basque | 21 | 0.02 |
| Estonian | 21 | 0.02 |
| Celtic | 19 | 0.01 |
| Icelander | 15 | 0.01 |
| Latvian | 15 | 0.01 |
| Ethiopian | 12 | 0.01 |
| Jordanian | 11 | 0.01 |
| Serbian | 10 | 0.01 |