Washington 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 22.53K Washington County, IA population, 6.74K had Unclassified ancestry (29.92%), 6.58K had German ancestry (29.23%), and 3.15K had Other Groups ancestry (13.98%).
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).
Washington County, IA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 6739 | 29.92 |
| German | 6584 | 29.23 |
| Other Groups | 3149 | 13.98 |
| Irish | 3037 | 13.48 |
| English | 1763 | 7.83 |
| American | 1440 | 6.39 |
| French (except Basque) | 642 | 2.85 |
| Dutch | 634 | 2.82 |
| Swiss | 607 | 2.70 |
| Norwegian | 555 | 2.46 |
| Scottish | 454 | 2.02 |
| Swedish | 427 | 1.90 |
| Italian | 335 | 1.49 |
| European | 325 | 1.44 |
| Scotch Irish | 254 | 1.13 |
| Czech | 219 | 0.97 |
| Welsh | 200 | 0.89 |
| Polish | 197 | 0.88 |
| Danish | 154 | 0.68 |
| British | 83 | 0.37 |
| Greek | 69 | 0.31 |
| Scandinavian | 37 | 0.16 |
| Turkish | 34 | 0.15 |
| French Canadian | 32 | 0.14 |
| Canadian | 30 | 0.13 |
| Czechoslovakian | 28 | 0.12 |
| Pennsylvania German | 26 | 0.12 |
| Subsaharan African | 25 | 0.11 |
| Lebanese | 24 | 0.11 |
| Guyanese | 23 | 0.10 |
| Northern European | 23 | 0.10 |
| Eastern European | 22 | 0.10 |
| South African | 22 | 0.10 |
| Croatian | 20 | 0.09 |
| Luxembourger | 18 | 0.08 |
| Belgian | 13 | 0.06 |
| Finnish | 13 | 0.06 |
| Brazilian | 9 | 0.04 |
| Russian | 9 | 0.04 |
| Serbian | 8 | 0.04 |
| Slavic | 6 | 0.03 |
| Ukrainian | 5 | 0.02 |
| Basque | 3 | 0.01 |
| African | 3 | 0.01 |
| Lithuanian | 2 | 0.01 |
| Slovak | 2 | 0.01 |
| Hungarian | 1 | 0.00 |