Rossmoor CDP, CA Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 7, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 11.82K Rossmoor CDP, CA population, 3.44K had Other Groups ancestry (29.10%), 2.66K had Unclassified ancestry (22.46%), and 1.79K had English ancestry (15.15%).
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 also see similar information for other California cities and places, California counties, and for California.
Data Source: US Census - ACS 5-Year Estimates (2021).
Rossmoor CDP, CA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 3440 | 29.10 |
| Unclassified | 2655 | 22.46 |
| English | 1791 | 15.15 |
| German | 1328 | 11.23 |
| Irish | 1279 | 10.82 |
| Italian | 571 | 4.83 |
| Scandinavian | 411 | 3.48 |
| American | 386 | 3.27 |
| Scottish | 344 | 2.91 |
| French (except Basque) | 296 | 2.50 |
| Norwegian | 270 | 2.28 |
| Polish | 265 | 2.24 |
| Welsh | 254 | 2.15 |
| European | 234 | 1.98 |
| Greek | 204 | 1.73 |
| Egyptian | 178 | 1.51 |
| Armenian | 158 | 1.34 |
| Portuguese | 155 | 1.31 |
| Swedish | 154 | 1.30 |
| Iranian | 120 | 1.01 |
| Eastern European | 100 | 0.85 |
| British | 99 | 0.84 |
| Dutch | 95 | 0.80 |
| Bulgarian | 86 | 0.73 |
| Hungarian | 80 | 0.68 |
| Czech | 70 | 0.59 |
| Northern European | 69 | 0.58 |
| Russian | 62 | 0.52 |
| Austrian | 55 | 0.47 |
| Scotch Irish | 52 | 0.44 |
| Croatian | 50 | 0.42 |
| Lebanese | 46 | 0.39 |
| Ukrainian | 45 | 0.38 |
| Belgian | 40 | 0.34 |
| Israeli | 38 | 0.32 |
| Syrian | 22 | 0.19 |
| Romanian | 21 | 0.18 |
| Slavic | 21 | 0.18 |
| Swiss | 18 | 0.15 |
| West Indian (except Hispanic groups) | 18 | 0.15 |
| Haitian | 18 | 0.15 |
| Serbian | 17 | 0.14 |
| New Zealander | 15 | 0.13 |
| Subsaharan African | 14 | 0.12 |
| Ethiopian | 14 | 0.12 |
| Canadian | 13 | 0.11 |
| Slovak | 13 | 0.11 |
| Danish | 11 | 0.09 |
| Macedonian | 11 | 0.09 |
| Turkish | 11 | 0.09 |