Mercer 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 15.78K Mercer County, IL population, 6.37K had Unclassified ancestry (40.38%), 3.00K had German ancestry (19.01%), and 1.67K had Other Groups ancestry (10.58%).
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).
Mercer County, IL Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 6372 | 40.38 |
| German | 3000 | 19.01 |
| Other Groups | 1670 | 10.58 |
| Irish | 1614 | 10.23 |
| Swedish | 1336 | 8.47 |
| English | 1262 | 8.00 |
| American | 1024 | 6.49 |
| Dutch | 310 | 1.97 |
| Scotch Irish | 297 | 1.88 |
| European | 288 | 1.83 |
| French (except Basque) | 267 | 1.69 |
| Scottish | 262 | 1.66 |
| Italian | 250 | 1.58 |
| Belgian | 244 | 1.55 |
| Norwegian | 117 | 0.74 |
| Polish | 91 | 0.58 |
| Welsh | 79 | 0.50 |
| Danish | 77 | 0.49 |
| Austrian | 76 | 0.48 |
| Czech | 75 | 0.48 |
| Scandinavian | 45 | 0.28 |
| Slovak | 43 | 0.27 |
| Yugoslavian | 37 | 0.23 |
| Greek | 34 | 0.22 |
| French Canadian | 30 | 0.19 |
| Croatian | 29 | 0.18 |
| British | 27 | 0.17 |
| Hungarian | 23 | 0.15 |
| Canadian | 21 | 0.13 |
| Swiss | 17 | 0.11 |
| Arab | 14 | 0.09 |
| Russian | 14 | 0.09 |
| Eastern European | 13 | 0.08 |
| Northern European | 12 | 0.08 |
| Ukrainian | 12 | 0.08 |
| West Indian (except Hispanic groups) | 10 | 0.06 |
| Lithuanian | 9 | 0.06 |
| Jamaican | 9 | 0.06 |
| Czechoslovakian | 7 | 0.04 |
| Pennsylvania German | 7 | 0.04 |
| Slavic | 7 | 0.04 |
| Luxembourger | 6 | 0.04 |
| Lebanese | 4 | 0.03 |
| Portuguese | 4 | 0.03 |
| Serbian | 2 | 0.01 |
| Finnish | 1 | 0.01 |
| Macedonian | 1 | 0.01 |
| Haitian | 1 | 0.01 |