Colorado Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 5.72M Colorado population, 1.71M had Other Groups ancestry (29.94%), 1.30M had Unclassified ancestry (22.72%), and 1.03M had German ancestry (18.01%).
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 states, Colorado counties, congressional districts, and the United States.
NB: People could belong to one or more ancestry groups.
Related Topics: Colorado ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates (2021).
Colorado Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 1713651 | 29.94 |
| Unclassified | 1300156 | 22.72 |
| German | 1030800 | 18.01 |
| English | 624984 | 10.92 |
| Irish | 620602 | 10.84 |
| Italian | 276530 | 4.83 |
| American | 205974 | 3.60 |
| European | 158944 | 2.78 |
| Scottish | 138211 | 2.42 |
| French (except Basque) | 137467 | 2.40 |
| Polish | 133378 | 2.33 |
| Swedish | 119954 | 2.10 |
| Norwegian | 117575 | 2.05 |
| Dutch | 83870 | 1.47 |
| Scotch Irish | 61950 | 1.08 |
| Russian | 55916 | 0.98 |
| Subsaharan African | 50162 | 0.88 |
| Welsh | 47568 | 0.83 |
| British | 43989 | 0.77 |
| Danish | 39800 | 0.70 |
| Scandinavian | 34100 | 0.60 |
| Czech | 34024 | 0.59 |
| French Canadian | 25975 | 0.45 |
| Swiss | 22442 | 0.39 |
| Hungarian | 20397 | 0.36 |
| Greek | 20217 | 0.35 |
| Eastern European | 20011 | 0.35 |
| Austrian | 17313 | 0.30 |
| Northern European | 16906 | 0.30 |
| African | 16840 | 0.29 |
| Portuguese | 14824 | 0.26 |
| Ukrainian | 14591 | 0.26 |
| Lithuanian | 12401 | 0.22 |
| Finnish | 12269 | 0.21 |
| Ethiopian | 11724 | 0.21 |
| Canadian | 11663 | 0.20 |
| West Indian (except Hispanic groups) | 9296 | 0.16 |
| Slovak | 8268 | 0.14 |
| Belgian | 7308 | 0.13 |
| Czechoslovakian | 7172 | 0.13 |
| Lebanese | 7098 | 0.12 |
| Croatian | 6928 | 0.12 |
| Slovene | 6512 | 0.11 |
| Romanian | 6330 | 0.11 |
| Iranian | 6222 | 0.11 |
| Armenian | 5000 | 0.09 |
| Jamaican | 4652 | 0.08 |
| Brazilian | 4288 | 0.08 |
| Yugoslavian | 4150 | 0.07 |
| Nigerian | 4129 | 0.07 |
| Slavic | 3918 | 0.07 |
| Somali | 3426 | 0.06 |
| Arab | 3127 | 0.06 |
| Serbian | 3017 | 0.05 |
| Turkish | 2964 | 0.05 |
| Australian | 2812 | 0.05 |
| Moroccan | 2693 | 0.05 |
| Ghanaian | 2558 | 0.05 |
| Israeli | 2232 | 0.04 |
| Basque | 2069 | 0.04 |
| Syrian | 2034 | 0.04 |
| Egyptian | 2012 | 0.04 |
| Iraqi | 1905 | 0.03 |
| Latvian | 1902 | 0.03 |
| South African | 1875 | 0.03 |
| Sudanese | 1839 | 0.03 |
| Bulgarian | 1815 | 0.03 |
| Pennsylvania German | 1711 | 0.03 |
| Celtic | 1691 | 0.03 |
| Icelander | 1670 | 0.03 |
| German Russian | 1501 | 0.03 |
| Palestinian | 1392 | 0.02 |
| Haitian | 1381 | 0.02 |
| West Indian | 1284 | 0.02 |
| Cajun | 1229 | 0.02 |
| Kenyan | 1191 | 0.02 |
| Afghan | 1171 | 0.02 |
| Albania | 1126 | 0.02 |
| New Zealander | 1079 | 0.02 |
| Luxembourger | 1003 | 0.02 |
| Estonian | 863 | 0.02 |
| Jordanian | 848 | 0.02 |
| Macedonian | 601 | 0.01 |
| Ugandan | 568 | 0.01 |
| Trinidadian and Tobagonian | 553 | 0.01 |
| Maltese | 506 | 0.01 |
| Belizean | 465 | 0.01 |
| Barbadian | 450 | 0.01 |
| Senegalese | 404 | 0.01 |
| Liberian | 379 | 0.01 |
| Cape Verdean | 375 | 0.01 |
| British West Indian | 277 | 0.01 |
| Sierra Leonean | 255 | 0.00 |
| Alsatian | 251 | 0.00 |
| Guyanese | 226 | 0.00 |
| Assyrian/Chaldean/Syriac | 151 | 0.00 |
| Carpatho Rusyn | 144 | 0.00 |
| Zimbabwean | 137 | 0.00 |
| Dutch West Indian | 132 | 0.00 |
| US Virgin Islander | 118 | 0.00 |
| Cypriot | 99 | 0.00 |
| Bahamian | 28 | 0.00 |
| Bermudan | 14 | 0.00 |
| Soviet Union | 6 | 0.00 |