Buchanan 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 20.60K Buchanan County, IA population, 8.21K had German ancestry (39.86%), 5.88K had Unclassified ancestry (28.53%), and 3.07K had Irish ancestry (14.90%).
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).
Buchanan County, IA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 8210 | 39.86 |
| Unclassified | 5877 | 28.53 |
| Irish | 3070 | 14.90 |
| English | 1821 | 8.84 |
| Other Groups | 1613 | 7.83 |
| American | 1215 | 5.90 |
| Norwegian | 985 | 4.78 |
| Dutch | 451 | 2.19 |
| Italian | 393 | 1.91 |
| Scottish | 326 | 1.58 |
| Polish | 312 | 1.52 |
| French (except Basque) | 293 | 1.42 |
| Danish | 252 | 1.22 |
| Czech | 247 | 1.20 |
| European | 241 | 1.17 |
| Pennsylvania German | 213 | 1.03 |
| Swedish | 202 | 0.98 |
| Austrian | 157 | 0.76 |
| Scotch Irish | 132 | 0.64 |
| Subsaharan African | 99 | 0.48 |
| African | 99 | 0.48 |
| Welsh | 78 | 0.38 |
| Yugoslavian | 55 | 0.27 |
| Swiss | 53 | 0.26 |
| Czechoslovakian | 50 | 0.24 |
| Scandinavian | 35 | 0.17 |
| British | 24 | 0.12 |
| Finnish | 24 | 0.12 |
| Hungarian | 19 | 0.09 |
| Eastern European | 17 | 0.08 |
| Northern European | 15 | 0.07 |
| Slovene | 15 | 0.07 |
| Greek | 13 | 0.06 |
| Syrian | 12 | 0.06 |
| Albania | 9 | 0.04 |
| Estonian | 9 | 0.04 |
| Luxembourger | 9 | 0.04 |
| French Canadian | 8 | 0.04 |
| Lithuanian | 8 | 0.04 |
| Ukrainian | 6 | 0.03 |
| Icelander | 5 | 0.02 |
| Belgian | 3 | 0.02 |
| Latvian | 3 | 0.02 |
| Jordanian | 2 | 0.01 |
| Lebanese | 2 | 0.01 |
| Portuguese | 1 | 0.01 |