Monroe 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 34.73K Monroe County, IL population, 14.94K had German ancestry (43.01%), 7.57K had Unclassified ancestry (21.79%), and 4.28K had Irish ancestry (12.33%).
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).
Monroe County, IL Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 14937 | 43.01 |
| Unclassified | 7568 | 21.79 |
| Irish | 4284 | 12.33 |
| Other Groups | 3978 | 11.45 |
| English | 3179 | 9.15 |
| American | 2035 | 5.86 |
| French (except Basque) | 1296 | 3.73 |
| Italian | 1240 | 3.57 |
| Polish | 1006 | 2.90 |
| Scottish | 542 | 1.56 |
| European | 436 | 1.25 |
| Swedish | 298 | 0.86 |
| Norwegian | 291 | 0.84 |
| Scotch Irish | 234 | 0.67 |
| Czech | 223 | 0.64 |
| Greek | 196 | 0.56 |
| British | 188 | 0.54 |
| Dutch | 188 | 0.54 |
| Eastern European | 175 | 0.50 |
| Belgian | 162 | 0.47 |
| Swiss | 149 | 0.43 |
| Austrian | 141 | 0.41 |
| Hungarian | 141 | 0.41 |
| Welsh | 140 | 0.40 |
| Danish | 137 | 0.39 |
| French Canadian | 121 | 0.35 |
| Lithuanian | 115 | 0.33 |
| Croatian | 114 | 0.33 |
| Northern European | 69 | 0.20 |
| Portuguese | 52 | 0.15 |
| Russian | 46 | 0.13 |
| Scandinavian | 32 | 0.09 |
| Romanian | 24 | 0.07 |
| Subsaharan African | 23 | 0.07 |
| African | 23 | 0.07 |
| Finnish | 21 | 0.06 |
| Slavic | 20 | 0.06 |
| Czechoslovakian | 19 | 0.06 |
| Luxembourger | 19 | 0.06 |
| Serbian | 15 | 0.04 |
| Yugoslavian | 12 | 0.04 |
| Armenian | 10 | 0.03 |
| Slovak | 10 | 0.03 |
| Albania | 8 | 0.02 |
| Ukrainian | 7 | 0.02 |
| Canadian | 3 | 0.01 |