Morris 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 508.35K Morris County, NJ population, 139.74K had Other Groups ancestry (27.49%), 111.08K had Italian ancestry (21.85%), and 89.29K had Irish ancestry (17.57%).
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).
Morris County, NJ Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 139740 | 27.49 |
| Italian | 111080 | 21.85 |
| Irish | 89294 | 17.57 |
| Unclassified | 74518 | 14.66 |
| German | 67857 | 13.35 |
| English | 33539 | 6.60 |
| Polish | 31238 | 6.15 |
| American | 16164 | 3.18 |
| Russian | 10338 | 2.03 |
| Dutch | 8197 | 1.61 |
| Scottish | 7382 | 1.45 |
| French (except Basque) | 7166 | 1.41 |
| Hungarian | 5421 | 1.07 |
| Greek | 5251 | 1.03 |
| Swedish | 4910 | 0.97 |
| European | 4649 | 0.92 |
| Ukrainian | 4641 | 0.91 |
| West Indian (except Hispanic groups) | 4279 | 0.84 |
| Portuguese | 4228 | 0.83 |
| Norwegian | 3572 | 0.70 |
| Eastern European | 3423 | 0.67 |
| Austrian | 3152 | 0.62 |
| Scotch Irish | 2457 | 0.48 |
| British | 2445 | 0.48 |
| Slovak | 2403 | 0.47 |
| Lithuanian | 2354 | 0.46 |
| Subsaharan African | 2254 | 0.44 |
| Jamaican | 2181 | 0.43 |
| Welsh | 1995 | 0.39 |
| Swiss | 1987 | 0.39 |
| Czech | 1894 | 0.37 |
| Turkish | 1811 | 0.36 |
| French Canadian | 1757 | 0.35 |
| Danish | 1588 | 0.31 |
| Haitian | 1415 | 0.28 |
| Brazilian | 1383 | 0.27 |
| Romanian | 1238 | 0.24 |
| Canadian | 1181 | 0.23 |
| Syrian | 1139 | 0.22 |
| Armenian | 1010 | 0.20 |
| Lebanese | 983 | 0.19 |
| Egyptian | 836 | 0.16 |
| Macedonian | 826 | 0.16 |
| Croatian | 795 | 0.16 |
| African | 791 | 0.16 |
| Czechoslovakian | 776 | 0.15 |
| Scandinavian | 764 | 0.15 |
| Finnish | 627 | 0.12 |
| Northern European | 626 | 0.12 |
| Slavic | 599 | 0.12 |
| Yugoslavian | 575 | 0.11 |
| Belgian | 550 | 0.11 |
| Albania | 546 | 0.11 |
| Iranian | 508 | 0.10 |
| Ghanaian | 432 | 0.09 |
| Palestinian | 426 | 0.08 |
| Nigerian | 412 | 0.08 |
| Latvian | 367 | 0.07 |
| Israeli | 333 | 0.07 |
| Trinidadian and Tobagonian | 287 | 0.06 |
| Serbian | 285 | 0.06 |
| Maltese | 278 | 0.06 |
| Guyanese | 261 | 0.05 |
| Arab | 254 | 0.05 |
| Pennsylvania German | 254 | 0.05 |
| Afghan | 201 | 0.04 |
| West Indian | 194 | 0.04 |
| British West Indian | 174 | 0.03 |
| South African | 168 | 0.03 |
| Celtic | 164 | 0.03 |
| Icelander | 164 | 0.03 |
| Assyrian/Chaldean/Syriac | 144 | 0.03 |
| Bulgarian | 142 | 0.03 |
| Kenyan | 141 | 0.03 |
| Barbadian | 119 | 0.02 |
| Iraqi | 104 | 0.02 |
| Ethiopian | 104 | 0.02 |
| Australian | 98 | 0.02 |
| Jordanian | 64 | 0.01 |
| Slovene | 60 | 0.01 |
| Estonian | 58 | 0.01 |
| Alsatian | 56 | 0.01 |
| Cypriot | 56 | 0.01 |
| Moroccan | 54 | 0.01 |
| Carpatho Rusyn | 49 | 0.01 |
| Luxembourger | 22 | 0.00 |
| Soviet Union | 20 | 0.00 |
| Sudanese | 19 | 0.00 |
| Cajun | 18 | 0.00 |
| Cape Verdean | 15 | 0.00 |
| Basque | 7 | 0.00 |
| Belizean | 7 | 0.00 |