Clay County, SD Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 14.82K Clay County, SD population, 5.41K had German ancestry (36.52%), 3.56K had Unclassified ancestry (24.04%), and 2.30K had Irish ancestry (15.52%).
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 South Dakota counties, and for South Dakota.
Data Source: US Census - ACS 5-Year Estimates (2021).
Clay County, SD Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 5410 | 36.52 |
| Unclassified | 3561 | 24.04 |
| Irish | 2299 | 15.52 |
| Other Groups | 1574 | 10.62 |
| Norwegian | 1487 | 10.04 |
| English | 1062 | 7.17 |
| Danish | 633 | 4.27 |
| Swedish | 485 | 3.27 |
| Dutch | 431 | 2.91 |
| American | 392 | 2.65 |
| French (except Basque) | 329 | 2.22 |
| Italian | 306 | 2.07 |
| Czech | 219 | 1.48 |
| Scandinavian | 176 | 1.19 |
| Scotch Irish | 166 | 1.12 |
| Scottish | 161 | 1.09 |
| Polish | 151 | 1.02 |
| European | 146 | 0.99 |
| Yugoslavian | 123 | 0.83 |
| Russian | 92 | 0.62 |
| Welsh | 84 | 0.57 |
| Finnish | 77 | 0.52 |
| Greek | 73 | 0.49 |
| Subsaharan African | 58 | 0.39 |
| French Canadian | 57 | 0.39 |
| Arab | 50 | 0.34 |
| Swiss | 41 | 0.28 |
| West Indian (except Hispanic groups) | 39 | 0.26 |
| Haitian | 36 | 0.24 |
| Luxembourger | 30 | 0.20 |
| Portuguese | 29 | 0.20 |
| Nigerian | 28 | 0.19 |
| Ukrainian | 28 | 0.19 |
| Slovak | 21 | 0.14 |
| African | 18 | 0.12 |
| Croatian | 17 | 0.12 |
| Lebanese | 16 | 0.11 |
| Romanian | 15 | 0.10 |
| Northern European | 14 | 0.09 |
| Israeli | 10 | 0.07 |
| Icelander | 7 | 0.05 |
| Austrian | 5 | 0.03 |
| Ethiopian | 5 | 0.03 |
| Sudanese | 5 | 0.03 |
| Brazilian | 3 | 0.02 |
| Belizean | 3 | 0.02 |
| South African | 2 | 0.01 |