Gloucester County, NJ Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 300.82K Gloucester County, NJ population, 77.65K had Irish ancestry (25.81%), 69.86K had Italian ancestry (23.22%), and 59.69K had Other Groups ancestry (19.84%).
The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.
You can see similar information for other New Jersey counties, and for New Jersey.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Gloucester County, NJ Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Irish | 77654 | 25.81 |
| Italian | 69861 | 23.22 |
| Other Groups | 59693 | 19.84 |
| Unclassified | 57068 | 18.97 |
| German | 53824 | 17.89 |
| English | 29857 | 9.93 |
| Polish | 17230 | 5.73 |
| American | 8357 | 2.78 |
| French (except Basque) | 4474 | 1.49 |
| Scottish | 4085 | 1.36 |
| Welsh | 2781 | 0.92 |
| Russian | 2754 | 0.92 |
| Hungarian | 2623 | 0.87 |
| West Indian (except Hispanic groups) | 2406 | 0.80 |
| European | 2265 | 0.75 |
| Ukrainian | 2262 | 0.75 |
| Dutch | 1826 | 0.61 |
| Lithuanian | 1731 | 0.57 |
| Scotch Irish | 1718 | 0.57 |
| Swedish | 1696 | 0.56 |
| Subsaharan African | 1545 | 0.51 |
| Norwegian | 1216 | 0.40 |
| British | 1201 | 0.40 |
| Jamaican | 1170 | 0.39 |
| Slovak | 1133 | 0.38 |
| Greek | 1104 | 0.37 |
| Eastern European | 1053 | 0.35 |
| African | 976 | 0.32 |
| Haitian | 787 | 0.26 |
| French Canadian | 735 | 0.24 |
| Armenian | 636 | 0.21 |
| Portuguese | 627 | 0.21 |
| Austrian | 558 | 0.19 |
| Czech | 549 | 0.18 |
| Scandinavian | 510 | 0.17 |
| Pennsylvania German | 440 | 0.15 |
| Danish | 401 | 0.13 |
| Finnish | 390 | 0.13 |
| Swiss | 376 | 0.13 |
| Croatian | 368 | 0.12 |
| Brazilian | 360 | 0.12 |
| Turkish | 324 | 0.11 |
| Romanian | 275 | 0.09 |
| Slavic | 274 | 0.09 |
| Canadian | 245 | 0.08 |
| Lebanese | 232 | 0.08 |
| Syrian | 222 | 0.07 |
| Ghanaian | 221 | 0.07 |
| Moroccan | 208 | 0.07 |
| Nigerian | 199 | 0.07 |
| Jordanian | 192 | 0.06 |
| West Indian | 191 | 0.06 |
| Yugoslavian | 181 | 0.06 |
| Iranian | 149 | 0.05 |
| Arab | 142 | 0.05 |
| Czechoslovakian | 142 | 0.05 |
| Trinidadian and Tobagonian | 133 | 0.04 |
| British West Indian | 132 | 0.04 |
| Belgian | 125 | 0.04 |
| Northern European | 117 | 0.04 |
| Latvian | 107 | 0.04 |
| Somali | 91 | 0.03 |
| Serbian | 86 | 0.03 |
| Slovene | 75 | 0.03 |
| Egyptian | 73 | 0.02 |
| Albania | 71 | 0.02 |
| Maltese | 60 | 0.02 |
| Palestinian | 58 | 0.02 |
| Iraqi | 45 | 0.02 |
| Afghan | 37 | 0.01 |
| Israeli | 28 | 0.01 |
| Guyanese | 25 | 0.01 |
| Australian | 22 | 0.01 |
| New Zealander | 22 | 0.01 |
| Ethiopian | 20 | 0.01 |
| Bermudan | 17 | 0.01 |
| Alsatian | 14 | 0.01 |
| Estonian | 14 | 0.01 |
| Bulgarian | 11 | 0.00 |
| German Russian | 9 | 0.00 |
| Celtic | 8 | 0.00 |
| Carpatho Rusyn | 6 | 0.00 |
| Bahamian | 4 | 0.00 |
| Dutch West Indian | 1 | 0.00 |