Adams 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 514.97K Adams County, CO population, 210.75K had Other Groups ancestry (40.92%), 130.38K had Unclassified ancestry (25.32%), and 73.19K had German ancestry (14.21%).
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).
Adams County, CO Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 210747 | 40.92 |
| Unclassified | 130377 | 25.32 |
| German | 73188 | 14.21 |
| Irish | 42199 | 8.19 |
| English | 35474 | 6.89 |
| Italian | 21060 | 4.09 |
| American | 15871 | 3.08 |
| French (except Basque) | 10818 | 2.10 |
| Polish | 9262 | 1.80 |
| European | 7849 | 1.52 |
| Norwegian | 7801 | 1.52 |
| Scottish | 7729 | 1.50 |
| Swedish | 7347 | 1.43 |
| Dutch | 5164 | 1.00 |
| Subsaharan African | 3934 | 0.76 |
| Russian | 3439 | 0.67 |
| Scotch Irish | 3333 | 0.65 |
| Welsh | 2821 | 0.55 |
| Danish | 2516 | 0.49 |
| Scandinavian | 2480 | 0.48 |
| British | 2444 | 0.48 |
| Czech | 2387 | 0.46 |
| French Canadian | 1927 | 0.37 |
| Portuguese | 1506 | 0.29 |
| Hungarian | 1274 | 0.25 |
| African | 1261 | 0.25 |
| Swiss | 1197 | 0.23 |
| Greek | 1166 | 0.23 |
| Northern European | 1037 | 0.20 |
| Austrian | 903 | 0.18 |
| Finnish | 872 | 0.17 |
| Ukrainian | 797 | 0.16 |
| Eastern European | 758 | 0.15 |
| Canadian | 682 | 0.13 |
| Ethiopian | 676 | 0.13 |
| Czechoslovakian | 637 | 0.12 |
| West Indian (except Hispanic groups) | 632 | 0.12 |
| Slovak | 610 | 0.12 |
| Lithuanian | 561 | 0.11 |
| Afghan | 552 | 0.11 |
| Lebanese | 492 | 0.10 |
| Belgian | 444 | 0.09 |
| Nigerian | 426 | 0.08 |
| Iranian | 376 | 0.07 |
| Armenian | 359 | 0.07 |
| Yugoslavian | 337 | 0.07 |
| Jamaican | 312 | 0.06 |
| Ghanaian | 307 | 0.06 |
| Croatian | 306 | 0.06 |
| Somali | 257 | 0.05 |
| Slovene | 223 | 0.04 |
| Bulgarian | 215 | 0.04 |
| Australian | 206 | 0.04 |
| Latvian | 204 | 0.04 |
| Moroccan | 185 | 0.04 |
| Brazilian | 185 | 0.04 |
| Romanian | 183 | 0.04 |
| Slavic | 172 | 0.03 |
| Maltese | 166 | 0.03 |
| Haitian | 159 | 0.03 |
| Egyptian | 155 | 0.03 |
| Serbian | 154 | 0.03 |
| Arab | 145 | 0.03 |
| Pennsylvania German | 135 | 0.03 |
| South African | 124 | 0.02 |
| Turkish | 122 | 0.02 |
| German Russian | 112 | 0.02 |
| New Zealander | 103 | 0.02 |
| US Virgin Islander | 94 | 0.02 |
| Syrian | 88 | 0.02 |
| Basque | 79 | 0.02 |
| Celtic | 66 | 0.01 |
| Ugandan | 60 | 0.01 |
| Macedonian | 59 | 0.01 |
| Albania | 56 | 0.01 |
| Palestinian | 47 | 0.01 |
| Luxembourger | 41 | 0.01 |
| Israeli | 36 | 0.01 |
| Guyanese | 34 | 0.01 |
| Jordanian | 32 | 0.01 |
| Estonian | 25 | 0.01 |
| Carpatho Rusyn | 24 | 0.01 |
| British West Indian | 24 | 0.01 |
| Iraqi | 21 | 0.00 |
| Sudanese | 20 | 0.00 |
| Trinidadian and Tobagonian | 17 | 0.00 |
| Cape Verdean | 14 | 0.00 |
| West Indian | 13 | 0.00 |
| Cajun | 10 | 0.00 |
| Barbadian | 7 | 0.00 |
| Bahamian | 6 | 0.00 |