Fairfax County, VA Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 4, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 1.15M Fairfax County, VA population, 480.72K had Other Groups ancestry (41.92%), 175.82K had Unclassified ancestry (15.33%), and 117.24K had German ancestry (10.22%).
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 Virginia counties, and for Virginia.
Data Source: US Census - ACS 5-Year Estimates (2021).
Fairfax County, VA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 480722 | 41.92 |
| Unclassified | 175818 | 15.33 |
| German | 117238 | 10.22 |
| Irish | 109570 | 9.55 |
| English | 102840 | 8.97 |
| Italian | 56471 | 4.92 |
| American | 44956 | 3.92 |
| Subsaharan African | 39676 | 3.46 |
| Polish | 27727 | 2.42 |
| European | 27449 | 2.39 |
| Scottish | 19841 | 1.73 |
| French (except Basque) | 19106 | 1.67 |
| Ethiopian | 17092 | 1.49 |
| Scotch Irish | 12319 | 1.07 |
| British | 11787 | 1.03 |
| Russian | 11717 | 1.02 |
| Iranian | 10058 | 0.88 |
| Swedish | 9731 | 0.85 |
| Dutch | 9100 | 0.79 |
| Welsh | 8381 | 0.73 |
| Norwegian | 8123 | 0.71 |
| Afghan | 7675 | 0.67 |
| African | 7495 | 0.65 |
| Greek | 6270 | 0.55 |
| Eastern European | 5701 | 0.50 |
| Egyptian | 5320 | 0.46 |
| Ukrainian | 5068 | 0.44 |
| West Indian (except Hispanic groups) | 4892 | 0.43 |
| Lebanese | 4831 | 0.42 |
| Hungarian | 4756 | 0.42 |
| Moroccan | 4390 | 0.38 |
| French Canadian | 4309 | 0.38 |
| Czech | 4301 | 0.38 |
| Ghanaian | 4169 | 0.36 |
| Turkish | 3849 | 0.34 |
| Danish | 3610 | 0.32 |
| Austrian | 3466 | 0.30 |
| Northern European | 3374 | 0.29 |
| Lithuanian | 3221 | 0.28 |
| Swiss | 3184 | 0.28 |
| Slovak | 3145 | 0.27 |
| Scandinavian | 2996 | 0.26 |
| Portuguese | 2950 | 0.26 |
| Arab | 2816 | 0.25 |
| Canadian | 2432 | 0.21 |
| Armenian | 2374 | 0.21 |
| Jamaican | 2157 | 0.19 |
| Palestinian | 2046 | 0.18 |
| Iraqi | 1994 | 0.17 |
| Brazilian | 1932 | 0.17 |
| Sierra Leonean | 1845 | 0.16 |
| Romanian | 1843 | 0.16 |
| Somali | 1771 | 0.15 |
| Sudanese | 1730 | 0.15 |
| Finnish | 1453 | 0.13 |
| Syrian | 1428 | 0.13 |
| Kenyan | 1357 | 0.12 |
| Slavic | 1346 | 0.12 |
| Nigerian | 1304 | 0.11 |
| Croatian | 1297 | 0.11 |
| Bulgarian | 1274 | 0.11 |
| Jordanian | 1181 | 0.10 |
| Serbian | 1003 | 0.09 |
| West Indian | 937 | 0.08 |
| Czechoslovakian | 908 | 0.08 |
| Belgian | 889 | 0.08 |
| Haitian | 883 | 0.08 |
| Slovene | 838 | 0.07 |
| Albania | 773 | 0.07 |
| Trinidadian and Tobagonian | 684 | 0.06 |
| Latvian | 552 | 0.05 |
| South African | 455 | 0.04 |
| Yugoslavian | 455 | 0.04 |
| Israeli | 438 | 0.04 |
| Australian | 432 | 0.04 |
| Liberian | 382 | 0.03 |
| Guyanese | 312 | 0.03 |
| Celtic | 309 | 0.03 |
| Pennsylvania German | 308 | 0.03 |
| Estonian | 276 | 0.02 |
| Cape Verdean | 265 | 0.02 |
| Ugandan | 264 | 0.02 |
| Cajun | 173 | 0.02 |
| Macedonian | 170 | 0.02 |
| Senegalese | 159 | 0.01 |
| Basque | 155 | 0.01 |
| Barbadian | 149 | 0.01 |
| British West Indian | 125 | 0.01 |
| Belizean | 83 | 0.01 |
| Icelander | 72 | 0.01 |
| Luxembourger | 72 | 0.01 |
| Carpatho Rusyn | 66 | 0.01 |
| Maltese | 66 | 0.01 |
| Cypriot | 57 | 0.01 |
| New Zealander | 57 | 0.01 |
| Zimbabwean | 49 | 0.00 |
| Alsatian | 48 | 0.00 |
| Dutch West Indian | 47 | 0.00 |
| US Virgin Islander | 45 | 0.00 |
| Assyrian/Chaldean/Syriac | 44 | 0.00 |
| German Russian | 36 | 0.00 |
| Bahamian | 10 | 0.00 |