Alameda County, CA Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 1.67M Alameda County, CA population, 980.89K had Other Groups ancestry (58.63%), 272.90K had Unclassified ancestry (16.31%), and 100.69K had German ancestry (6.02%).
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 California counties, and for California.
Related Topics: Alameda County, CA ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates (2021).
Alameda County, CA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 980894 | 58.63 |
| Unclassified | 272895 | 16.31 |
| German | 100686 | 6.02 |
| Irish | 92715 | 5.54 |
| English | 83367 | 4.98 |
| Italian | 51311 | 3.07 |
| American | 33854 | 2.02 |
| European | 30879 | 1.85 |
| Subsaharan African | 26995 | 1.61 |
| Portuguese | 24646 | 1.47 |
| French (except Basque) | 22665 | 1.36 |
| Scottish | 19079 | 1.14 |
| Polish | 17863 | 1.07 |
| Russian | 14056 | 0.84 |
| Swedish | 13597 | 0.81 |
| Norwegian | 13350 | 0.80 |
| British | 12068 | 0.72 |
| Dutch | 10371 | 0.62 |
| Afghan | 10273 | 0.61 |
| African | 9472 | 0.57 |
| Ethiopian | 7526 | 0.45 |
| Scotch Irish | 7286 | 0.44 |
| Iranian | 7165 | 0.43 |
| Eastern European | 7005 | 0.42 |
| Greek | 6331 | 0.38 |
| Danish | 5709 | 0.34 |
| Welsh | 5338 | 0.32 |
| Ukrainian | 5040 | 0.30 |
| Nigerian | 4851 | 0.29 |
| Northern European | 4760 | 0.28 |
| West Indian (except Hispanic groups) | 4710 | 0.28 |
| Swiss | 4242 | 0.25 |
| Hungarian | 4013 | 0.24 |
| French Canadian | 3213 | 0.19 |
| Czech | 3200 | 0.19 |
| Austrian | 2883 | 0.17 |
| Finnish | 2837 | 0.17 |
| Scandinavian | 2823 | 0.17 |
| Armenian | 2796 | 0.17 |
| Brazilian | 2742 | 0.16 |
| Croatian | 2550 | 0.15 |
| Lithuanian | 2524 | 0.15 |
| Romanian | 2377 | 0.14 |
| Arab | 2333 | 0.14 |
| Jamaican | 2314 | 0.14 |
| Canadian | 2117 | 0.13 |
| Lebanese | 2115 | 0.13 |
| Egyptian | 1909 | 0.11 |
| Turkish | 1857 | 0.11 |
| Palestinian | 1299 | 0.08 |
| Yugoslavian | 913 | 0.06 |
| Belgian | 908 | 0.05 |
| Moroccan | 873 | 0.05 |
| Czechoslovakian | 852 | 0.05 |
| Haitian | 849 | 0.05 |
| Serbian | 839 | 0.05 |
| Slovene | 719 | 0.04 |
| Bulgarian | 718 | 0.04 |
| Israeli | 715 | 0.04 |
| Slovak | 678 | 0.04 |
| South African | 641 | 0.04 |
| Australian | 611 | 0.04 |
| Sudanese | 608 | 0.04 |
| Syrian | 604 | 0.04 |
| Basque | 576 | 0.03 |
| Slavic | 556 | 0.03 |
| Jordanian | 520 | 0.03 |
| Iraqi | 484 | 0.03 |
| Latvian | 484 | 0.03 |
| New Zealander | 453 | 0.03 |
| Kenyan | 417 | 0.03 |
| Assyrian/Chaldean/Syriac | 412 | 0.03 |
| Trinidadian and Tobagonian | 410 | 0.03 |
| Ghanaian | 400 | 0.02 |
| West Indian | 359 | 0.02 |
| Cape Verdean | 344 | 0.02 |
| Maltese | 330 | 0.02 |
| Belizean | 254 | 0.02 |
| Liberian | 242 | 0.01 |
| Celtic | 234 | 0.01 |
| Sierra Leonean | 221 | 0.01 |
| Barbadian | 209 | 0.01 |
| Guyanese | 177 | 0.01 |
| British West Indian | 164 | 0.01 |
| Dutch West Indian | 135 | 0.01 |
| Estonian | 116 | 0.01 |
| Somali | 116 | 0.01 |
| Macedonian | 115 | 0.01 |
| Zimbabwean | 111 | 0.01 |
| Cajun | 107 | 0.01 |
| Pennsylvania German | 107 | 0.01 |
| Icelander | 97 | 0.01 |
| Senegalese | 90 | 0.01 |
| Ugandan | 83 | 0.01 |
| Albania | 80 | 0.01 |
| German Russian | 69 | 0.00 |
| Luxembourger | 52 | 0.00 |
| Bermudan | 35 | 0.00 |
| Cypriot | 31 | 0.00 |
| Bahamian | 30 | 0.00 |
| Alsatian | 29 | 0.00 |
| Carpatho Rusyn | 16 | 0.00 |
| US Virgin Islander | 15 | 0.00 |