Peoria County, IL Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 182.44K Peoria County, IL population, 49.91K had Other Groups ancestry (27.36%), 48.88K had Unclassified ancestry (26.79%), and 38.39K had German ancestry (21.05%).
The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.
You can see similar information for other Illinois counties, and for Illinois.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Peoria County, IL Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Other Groups | 49910 | 27.36 |
| Unclassified | 48876 | 26.79 |
| German | 38394 | 21.05 |
| Irish | 21305 | 11.68 |
| English | 16876 | 9.25 |
| American | 8060 | 4.42 |
| Italian | 6569 | 3.60 |
| Polish | 3305 | 1.81 |
| French (except Basque) | 3245 | 1.78 |
| European | 3151 | 1.73 |
| Swedish | 2956 | 1.62 |
| Scottish | 2955 | 1.62 |
| Subsaharan African | 2287 | 1.25 |
| Dutch | 2249 | 1.23 |
| African | 1847 | 1.01 |
| Norwegian | 1668 | 0.91 |
| Scotch Irish | 1535 | 0.84 |
| Welsh | 1357 | 0.74 |
| Lebanese | 1350 | 0.74 |
| Swiss | 1322 | 0.73 |
| British | 1260 | 0.69 |
| Greek | 853 | 0.47 |
| Czech | 598 | 0.33 |
| Danish | 577 | 0.32 |
| Hungarian | 554 | 0.30 |
| Croatian | 506 | 0.28 |
| Scandinavian | 454 | 0.25 |
| Armenian | 394 | 0.22 |
| Eastern European | 365 | 0.20 |
| Russian | 361 | 0.20 |
| Lithuanian | 278 | 0.15 |
| Czechoslovakian | 267 | 0.15 |
| French Canadian | 258 | 0.14 |
| Belgian | 195 | 0.11 |
| Pennsylvania German | 183 | 0.10 |
| Northern European | 170 | 0.09 |
| Austrian | 155 | 0.09 |
| Slovak | 153 | 0.08 |
| Romanian | 144 | 0.08 |
| Brazilian | 126 | 0.07 |
| Nigerian | 116 | 0.06 |
| Portuguese | 114 | 0.06 |
| Ukrainian | 114 | 0.06 |
| Finnish | 97 | 0.05 |
| Yugoslavian | 84 | 0.05 |
| Serbian | 83 | 0.05 |
| Kenyan | 81 | 0.04 |
| Ugandan | 77 | 0.04 |
| Moroccan | 71 | 0.04 |
| Australian | 69 | 0.04 |
| Egyptian | 68 | 0.04 |
| West Indian (except Hispanic groups) | 65 | 0.04 |
| Iranian | 62 | 0.03 |
| Luxembourger | 59 | 0.03 |
| Maltese | 56 | 0.03 |
| Slavic | 56 | 0.03 |
| Canadian | 55 | 0.03 |
| Ghanaian | 53 | 0.03 |
| Turkish | 46 | 0.03 |
| Slovene | 42 | 0.02 |
| Ethiopian | 42 | 0.02 |
| Trinidadian and Tobagonian | 40 | 0.02 |
| Palestinian | 33 | 0.02 |
| Israeli | 22 | 0.01 |
| Jamaican | 20 | 0.01 |
| Bulgarian | 19 | 0.01 |
| Estonian | 18 | 0.01 |
| Jordanian | 17 | 0.01 |
| Albania | 16 | 0.01 |
| Sudanese | 16 | 0.01 |
| Arab | 15 | 0.01 |
| Icelander | 14 | 0.01 |
| Assyrian/Chaldean/Syriac | 12 | 0.01 |
| Cape Verdean | 10 | 0.01 |
| South African | 10 | 0.01 |
| Celtic | 8 | 0.00 |
| German Russian | 8 | 0.00 |
| Macedonian | 3 | 0.00 |
| West Indian | 3 | 0.00 |
| Haitian | 2 | 0.00 |