Hamilton 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 15.07K Hamilton County, IA population, 5.17K had German ancestry (34.31%), 3.93K had Unclassified ancestry (26.05%), and 2.05K had Norwegian ancestry (13.60%).
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).
Hamilton County, IA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 5172 | 34.31 |
| Unclassified | 3927 | 26.05 |
| Norwegian | 2050 | 13.60 |
| Other Groups | 1839 | 12.20 |
| Irish | 1589 | 10.54 |
| English | 1090 | 7.23 |
| Swedish | 625 | 4.15 |
| American | 489 | 3.24 |
| French (except Basque) | 369 | 2.45 |
| Dutch | 257 | 1.71 |
| Danish | 245 | 1.63 |
| Scottish | 204 | 1.35 |
| Italian | 130 | 0.86 |
| Scotch Irish | 110 | 0.73 |
| Scandinavian | 104 | 0.69 |
| British | 97 | 0.64 |
| European | 68 | 0.45 |
| Polish | 62 | 0.41 |
| Czech | 52 | 0.35 |
| Swiss | 46 | 0.31 |
| Czechoslovakian | 41 | 0.27 |
| Welsh | 28 | 0.19 |
| Hungarian | 23 | 0.15 |
| Finnish | 21 | 0.14 |
| Russian | 19 | 0.13 |
| Portuguese | 18 | 0.12 |
| Canadian | 17 | 0.11 |
| Belgian | 13 | 0.09 |
| French Canadian | 8 | 0.05 |
| Greek | 7 | 0.05 |
| Subsaharan African | 6 | 0.04 |
| Lithuanian | 5 | 0.03 |
| Northern European | 5 | 0.03 |
| Nigerian | 5 | 0.03 |
| Austrian | 2 | 0.01 |
| Pennsylvania German | 2 | 0.01 |
| Slovak | 1 | 0.01 |