Stephenson County, IL Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 44.82K Stephenson County, IL population, 16.46K had German ancestry (36.73%), 10.98K had Unclassified ancestry (24.51%), and 7.19K had Other Groups ancestry (16.03%).
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 Illinois counties, and for Illinois.
Data Source: US Census - ACS 5-Year Estimates (2021).
Stephenson County, IL Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 16463 | 36.73 |
| Unclassified | 10984 | 24.51 |
| Other Groups | 7186 | 16.03 |
| Irish | 5023 | 11.21 |
| English | 3700 | 8.26 |
| American | 3445 | 7.69 |
| Dutch | 1283 | 2.86 |
| Swedish | 1207 | 2.69 |
| Italian | 1138 | 2.54 |
| Norwegian | 996 | 2.22 |
| French (except Basque) | 992 | 2.21 |
| Swiss | 951 | 2.12 |
| Polish | 929 | 2.07 |
| Scottish | 565 | 1.26 |
| Welsh | 384 | 0.86 |
| European | 376 | 0.84 |
| Subsaharan African | 338 | 0.75 |
| African | 312 | 0.70 |
| Czech | 308 | 0.69 |
| British | 304 | 0.68 |
| Danish | 233 | 0.52 |
| Belgian | 230 | 0.51 |
| Scotch Irish | 199 | 0.44 |
| Greek | 142 | 0.32 |
| Pennsylvania German | 118 | 0.26 |
| Hungarian | 103 | 0.23 |
| Lithuanian | 96 | 0.21 |
| Scandinavian | 96 | 0.21 |
| French Canadian | 85 | 0.19 |
| Russian | 85 | 0.19 |
| Northern European | 71 | 0.16 |
| Finnish | 49 | 0.11 |
| Austrian | 47 | 0.11 |
| Czechoslovakian | 42 | 0.09 |
| Arab | 39 | 0.09 |
| Canadian | 25 | 0.06 |
| Eastern European | 24 | 0.05 |
| Portuguese | 24 | 0.05 |
| Croatian | 22 | 0.05 |
| Albania | 17 | 0.04 |
| Slavic | 16 | 0.04 |
| Egyptian | 12 | 0.03 |
| Ukrainian | 12 | 0.03 |
| Israeli | 11 | 0.03 |
| Romanian | 11 | 0.03 |
| Ethiopian | 11 | 0.03 |
| Lebanese | 10 | 0.02 |
| Iranian | 9 | 0.02 |
| Yugoslavian | 8 | 0.02 |
| Macedonian | 6 | 0.01 |
| Slovene | 5 | 0.01 |
| South African | 5 | 0.01 |
| Latvian | 4 | 0.01 |
| West Indian (except Hispanic groups) | 3 | 0.01 |
| Haitian | 3 | 0.01 |