Arapahoe 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 651.62K Arapahoe County, CO population, 222.76K had Other Groups ancestry (34.19%), 132.48K had Unclassified ancestry (20.33%), and 101.44K had German ancestry (15.57%).
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).
Arapahoe County, CO Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 222763 | 34.19 |
| Unclassified | 132480 | 20.33 |
| German | 101440 | 15.57 |
| Irish | 65298 | 10.02 |
| English | 63167 | 9.69 |
| Italian | 25881 | 3.97 |
| American | 23513 | 3.61 |
| European | 18200 | 2.79 |
| Subsaharan African | 17731 | 2.72 |
| French (except Basque) | 14096 | 2.16 |
| Scottish | 13443 | 2.06 |
| Polish | 12967 | 1.99 |
| Swedish | 12685 | 1.95 |
| Norwegian | 12213 | 1.87 |
| Dutch | 8743 | 1.34 |
| Russian | 7931 | 1.22 |
| Scotch Irish | 6793 | 1.04 |
| Ethiopian | 6149 | 0.94 |
| British | 4760 | 0.73 |
| Welsh | 4593 | 0.71 |
| African | 4368 | 0.67 |
| Danish | 3931 | 0.60 |
| Scandinavian | 3801 | 0.58 |
| Czech | 3334 | 0.51 |
| Greek | 2602 | 0.40 |
| French Canadian | 2552 | 0.39 |
| Eastern European | 2529 | 0.39 |
| Hungarian | 2312 | 0.36 |
| Ukrainian | 2070 | 0.32 |
| Swiss | 1877 | 0.29 |
| Canadian | 1834 | 0.28 |
| West Indian (except Hispanic groups) | 1777 | 0.27 |
| Austrian | 1760 | 0.27 |
| Portuguese | 1600 | 0.25 |
| Northern European | 1502 | 0.23 |
| Arab | 1348 | 0.21 |
| Ghanaian | 1281 | 0.20 |
| Lithuanian | 1249 | 0.19 |
| Nigerian | 1232 | 0.19 |
| Armenian | 1199 | 0.18 |
| Somali | 1190 | 0.18 |
| Croatian | 1021 | 0.16 |
| Iranian | 972 | 0.15 |
| Slovak | 935 | 0.14 |
| Lebanese | 910 | 0.14 |
| Romanian | 886 | 0.14 |
| Finnish | 825 | 0.13 |
| Moroccan | 814 | 0.13 |
| Jamaican | 744 | 0.11 |
| Sudanese | 725 | 0.11 |
| Iraqi | 619 | 0.10 |
| Brazilian | 595 | 0.09 |
| Kenyan | 586 | 0.09 |
| Belgian | 551 | 0.09 |
| Yugoslavian | 512 | 0.08 |
| Palestinian | 511 | 0.08 |
| Slavic | 484 | 0.07 |
| Czechoslovakian | 483 | 0.07 |
| Bulgarian | 450 | 0.07 |
| West Indian | 423 | 0.07 |
| Albania | 421 | 0.07 |
| Turkish | 421 | 0.07 |
| Australian | 393 | 0.06 |
| Slovene | 386 | 0.06 |
| Jordanian | 367 | 0.06 |
| Haitian | 350 | 0.05 |
| Serbian | 311 | 0.05 |
| Israeli | 287 | 0.04 |
| Senegalese | 273 | 0.04 |
| Celtic | 266 | 0.04 |
| Egyptian | 264 | 0.04 |
| Afghan | 253 | 0.04 |
| Sierra Leonean | 219 | 0.03 |
| Latvian | 206 | 0.03 |
| Cajun | 181 | 0.03 |
| Liberian | 166 | 0.03 |
| Icelander | 163 | 0.03 |
| German Russian | 145 | 0.02 |
| Zimbabwean | 131 | 0.02 |
| Ugandan | 128 | 0.02 |
| Basque | 123 | 0.02 |
| Trinidadian and Tobagonian | 118 | 0.02 |
| Pennsylvania German | 106 | 0.02 |
| Macedonian | 104 | 0.02 |
| South African | 104 | 0.02 |
| British West Indian | 91 | 0.01 |
| Luxembourger | 60 | 0.01 |
| Barbadian | 55 | 0.01 |
| Syrian | 44 | 0.01 |
| Estonian | 30 | 0.01 |
| Guyanese | 29 | 0.00 |
| Maltese | 24 | 0.00 |
| Belizean | 15 | 0.00 |
| Alsatian | 8 | 0.00 |
| Soviet Union | 6 | 0.00 |
| Assyrian/Chaldean/Syriac | 5 | 0.00 |