Jefferson 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 37.36K Jefferson County, IL population, 13.80K had Unclassified ancestry (36.92%), 7.48K had Other Groups ancestry (20.02%), and 6.61K had German ancestry (17.69%).
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).
Jefferson County, IL Population By Ancestry in 2021
Items per page:
0 of 0
| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 13795 | 36.92 |
| Other Groups | 7480 | 20.02 |
| German | 6608 | 17.69 |
| English | 4154 | 11.12 |
| Irish | 4068 | 10.89 |
| American | 2350 | 6.29 |
| Polish | 889 | 2.38 |
| French (except Basque) | 707 | 1.89 |
| Italian | 614 | 1.64 |
| Scottish | 578 | 1.55 |
| European | 480 | 1.29 |
| Dutch | 443 | 1.19 |
| Scotch Irish | 336 | 0.90 |
| Swedish | 304 | 0.81 |
| Scandinavian | 233 | 0.62 |
| British | 228 | 0.61 |
| Welsh | 222 | 0.59 |
| Norwegian | 132 | 0.35 |
| Swiss | 126 | 0.34 |
| Czech | 101 | 0.27 |
| Pennsylvania German | 86 | 0.23 |
| Subsaharan African | 85 | 0.23 |
| African | 82 | 0.22 |
| Danish | 58 | 0.16 |
| French Canadian | 57 | 0.15 |
| Lithuanian | 55 | 0.15 |
| Russian | 53 | 0.14 |
| Slovak | 44 | 0.12 |
| West Indian (except Hispanic groups) | 43 | 0.12 |
| Croatian | 39 | 0.10 |
| Haitian | 24 | 0.06 |
| Bulgarian | 21 | 0.06 |
| Canadian | 19 | 0.05 |
| Eastern European | 19 | 0.05 |
| Hungarian | 17 | 0.05 |
| Northern European | 17 | 0.05 |
| Bahamian | 17 | 0.05 |
| Lebanese | 12 | 0.03 |
| Austrian | 12 | 0.03 |
| Finnish | 10 | 0.03 |
| Portuguese | 10 | 0.03 |
| Belgian | 9 | 0.02 |
| Turkish | 8 | 0.02 |
| Armenian | 7 | 0.02 |
| Romanian | 5 | 0.01 |
| Egyptian | 4 | 0.01 |
| Australian | 3 | 0.01 |
| Greek | 3 | 0.01 |
| Cape Verdean | 3 | 0.01 |
| Slovene | 2 | 0.01 |
| Jamaican | 2 | 0.01 |
| Czechoslovakian | 1 | 0.00 |