Oakbrook Terrace city, IL Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 7, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 2.68K Oakbrook Terrace city, IL population, 937 had Other Groups ancestry (34.95%), 571 had Unclassified ancestry (21.30%), and 317 had Irish ancestry (11.82%).
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 also see similar information for other Illinois cities and places, Illinois counties, and for Illinois.
Data Source: US Census - ACS 5-Year Estimates (2021).
Oakbrook Terrace city, IL Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 937 | 34.95 |
| Unclassified | 571 | 21.30 |
| Irish | 317 | 11.82 |
| German | 276 | 10.30 |
| Italian | 188 | 7.01 |
| European | 106 | 3.95 |
| Polish | 87 | 3.25 |
| Swedish | 82 | 3.06 |
| French (except Basque) | 81 | 3.02 |
| American | 67 | 2.50 |
| Dutch | 60 | 2.24 |
| Greek | 52 | 1.94 |
| Czech | 47 | 1.75 |
| Lithuanian | 47 | 1.75 |
| Slovak | 45 | 1.68 |
| Norwegian | 42 | 1.57 |
| English | 36 | 1.34 |
| West Indian (except Hispanic groups) | 35 | 1.31 |
| Haitian | 32 | 1.19 |
| Welsh | 30 | 1.12 |
| Scottish | 20 | 0.75 |
| Subsaharan African | 18 | 0.67 |
| African | 18 | 0.67 |
| Bulgarian | 17 | 0.63 |
| Brazilian | 16 | 0.60 |
| Serbian | 13 | 0.49 |
| Ukrainian | 13 | 0.49 |
| Danish | 12 | 0.45 |
| Latvian | 12 | 0.45 |
| Romanian | 10 | 0.37 |
| Iranian | 8 | 0.30 |
| Scandinavian | 7 | 0.26 |
| Czechoslovakian | 5 | 0.19 |
| Hungarian | 5 | 0.19 |
| Eastern European | 3 | 0.11 |
| Belizean | 3 | 0.11 |