Larimer County, CO Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 354.67K Larimer County, CO population, 89.24K had German ancestry (25.16%), 71.92K had Other Groups ancestry (20.28%), and 67.27K had Unclassified ancestry (18.97%).
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 Colorado counties, and for Colorado.
Data Source: US Census - ACS 5-Year Estimates (2021).
Larimer County, CO Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 89243 | 25.16 |
| Other Groups | 71917 | 20.28 |
| Unclassified | 67267 | 18.97 |
| English | 49987 | 14.09 |
| Irish | 46413 | 13.09 |
| Italian | 18536 | 5.23 |
| American | 14545 | 4.10 |
| European | 12731 | 3.59 |
| Scottish | 12022 | 3.39 |
| French (except Basque) | 11402 | 3.22 |
| Swedish | 10641 | 3.00 |
| Norwegian | 10278 | 2.90 |
| Polish | 9757 | 2.75 |
| Dutch | 7351 | 2.07 |
| Scotch Irish | 5013 | 1.41 |
| Russian | 4237 | 1.20 |
| Welsh | 4099 | 1.16 |
| Danish | 3449 | 0.97 |
| British | 3133 | 0.88 |
| Scandinavian | 2995 | 0.84 |
| Czech | 2869 | 0.81 |
| Swiss | 2181 | 0.62 |
| French Canadian | 1767 | 0.50 |
| Eastern European | 1495 | 0.42 |
| Hungarian | 1467 | 0.41 |
| Subsaharan African | 1303 | 0.37 |
| Northern European | 1292 | 0.36 |
| Finnish | 1257 | 0.35 |
| Ukrainian | 1237 | 0.35 |
| Austrian | 1079 | 0.30 |
| Greek | 1074 | 0.30 |
| Canadian | 1022 | 0.29 |
| Lithuanian | 1021 | 0.29 |
| Portuguese | 950 | 0.27 |
| Brazilian | 694 | 0.20 |
| Belgian | 622 | 0.18 |
| Slovak | 614 | 0.17 |
| Czechoslovakian | 580 | 0.16 |
| African | 459 | 0.13 |
| Slovene | 424 | 0.12 |
| Lebanese | 415 | 0.12 |
| Arab | 414 | 0.12 |
| Croatian | 370 | 0.10 |
| West Indian (except Hispanic groups) | 340 | 0.10 |
| Cape Verdean | 306 | 0.09 |
| Ethiopian | 306 | 0.09 |
| Romanian | 303 | 0.09 |
| German Russian | 288 | 0.08 |
| Iranian | 277 | 0.08 |
| Slavic | 263 | 0.07 |
| Jamaican | 229 | 0.07 |
| Syrian | 225 | 0.06 |
| Australian | 197 | 0.06 |
| Basque | 191 | 0.05 |
| Yugoslavian | 185 | 0.05 |
| Serbian | 178 | 0.05 |
| Armenian | 159 | 0.05 |
| Celtic | 147 | 0.04 |
| Israeli | 146 | 0.04 |
| Egyptian | 145 | 0.04 |
| Pennsylvania German | 123 | 0.04 |
| Icelander | 116 | 0.03 |
| Turkish | 110 | 0.03 |
| South African | 107 | 0.03 |
| Cajun | 93 | 0.03 |
| Alsatian | 88 | 0.03 |
| Luxembourger | 79 | 0.02 |
| Bulgarian | 59 | 0.02 |
| New Zealander | 58 | 0.02 |
| Haitian | 51 | 0.01 |
| Ugandan | 49 | 0.01 |
| Latvian | 44 | 0.01 |
| Palestinian | 43 | 0.01 |
| Iraqi | 40 | 0.01 |
| West Indian | 39 | 0.01 |
| Afghan | 35 | 0.01 |
| Nigerian | 34 | 0.01 |
| Kenyan | 31 | 0.01 |
| Macedonian | 30 | 0.01 |
| Albania | 26 | 0.01 |
| Jordanian | 26 | 0.01 |
| Ghanaian | 26 | 0.01 |
| Maltese | 25 | 0.01 |
| Estonian | 15 | 0.00 |
| Trinidadian and Tobagonian | 15 | 0.00 |
| Carpatho Rusyn | 6 | 0.00 |
| Zimbabwean | 6 | 0.00 |
| Barbadian | 6 | 0.00 |
| Moroccan | 5 | 0.00 |
| Assyrian/Chaldean/Syriac | 5 | 0.00 |