Mahaska County, IA Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 22.13K Mahaska County, IA population, 5.57K had Unclassified ancestry (25.16%), 5.25K had German ancestry (23.74%), and 3.31K had Dutch ancestry (14.94%).
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 Iowa counties, and for Iowa.
Data Source: US Census - ACS 5-Year Estimates (2021).
Mahaska County, IA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 5569 | 25.16 |
| German | 5253 | 23.74 |
| Dutch | 3306 | 14.94 |
| English | 3061 | 13.83 |
| Irish | 2948 | 13.32 |
| Other Groups | 2617 | 11.83 |
| American | 1526 | 6.90 |
| Norwegian | 500 | 2.26 |
| Scottish | 399 | 1.80 |
| European | 372 | 1.68 |
| French (except Basque) | 347 | 1.57 |
| Swedish | 287 | 1.30 |
| Italian | 286 | 1.29 |
| Welsh | 253 | 1.14 |
| Polish | 178 | 0.80 |
| Scotch Irish | 155 | 0.70 |
| Czech | 118 | 0.53 |
| West Indian (except Hispanic groups) | 94 | 0.43 |
| Danish | 92 | 0.42 |
| Hungarian | 88 | 0.40 |
| Jamaican | 82 | 0.37 |
| Greek | 58 | 0.26 |
| French Canadian | 42 | 0.19 |
| Bulgarian | 39 | 0.18 |
| Northern European | 38 | 0.17 |
| Czechoslovakian | 35 | 0.16 |
| Slovak | 33 | 0.15 |
| Canadian | 29 | 0.13 |
| Belgian | 27 | 0.12 |
| British | 27 | 0.12 |
| Ukrainian | 26 | 0.12 |
| Iranian | 25 | 0.11 |
| Subsaharan African | 25 | 0.11 |
| Swiss | 25 | 0.11 |
| Russian | 22 | 0.10 |
| Finnish | 20 | 0.09 |
| Scandinavian | 20 | 0.09 |
| Syrian | 18 | 0.08 |
| African | 18 | 0.08 |
| Pennsylvania German | 16 | 0.07 |
| Croatian | 12 | 0.05 |
| Lebanese | 11 | 0.05 |
| Austrian | 11 | 0.05 |
| Bahamian | 11 | 0.05 |
| Portuguese | 9 | 0.04 |
| Serbian | 8 | 0.04 |
| Slavic | 7 | 0.03 |
| Nigerian | 6 | 0.03 |
| Moroccan | 4 | 0.02 |
| Romanian | 4 | 0.02 |
| Eastern European | 2 | 0.01 |
| Armenian | 1 | 0.01 |
| Somali | 1 | 0.01 |
| British West Indian | 1 | 0.01 |