Ranking of Illinois Counties By Population with Eastern European Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 42.46K people in Illinois with Eastern European ancestry. Among all Illinois counties, Cook County had the highest population with Eastern European ancestry (21.89K), followed by Lake County (7.56K), and DuPage County (3.41K).
The chart and table below shows the top 10 counties with high number of people with Eastern European ancestry.
You can see similar information for other states and for other ancestry groups in Illinois.
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Related Topics: Illinois ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Counties By Population with Eastern European Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 21894 |
| 2 | Lake County | 7556 |
| 3 | DuPage County | 3413 |
| 4 | Will County | 1165 |
| 5 | Kane County | 1003 |
| 6 | McHenry County | 795 |
| 7 | Madison County | 589 |
| 8 | Winnebago County | 472 |
| 9 | Champaign County | 434 |
| 10 | Peoria County | 365 |
| 11 | Sangamon County | 350 |
| 12 | St. Clair County | 327 |
| 13 | McLean County | 313 |
| 14 | Macon County | 225 |
| 15 | DeKalb County | 214 |
| 16 | Kankakee County | 199 |
| 17 | Rock Island County | 183 |
| 18 | Kendall County | 182 |
| 19 | Monroe County | 175 |
| 20 | Williamson County | 163 |
| 21 | Tazewell County | 132 |
| 22 | Coles County | 109 |
| 23 | Henry County | 104 |
| 24 | LaSalle County | 100 |
| 25 | Whiteside County | 96 |
| 26 | Edgar County | 92 |
| 26 | Livingston County | 92 |
| 26 | Montgomery County | 92 |
| 27 | Christian County | 84 |
| 28 | Jackson County | 80 |
| 29 | Grundy County | 75 |
| 30 | Alexander County | 70 |
| 31 | Fulton County | 64 |
| 32 | Boone County | 61 |
| 32 | Macoupin County | 61 |
| 33 | Knox County | 56 |
| 34 | Edwards County | 49 |
| 34 | Vermilion County | 49 |
| 35 | Morgan County | 48 |
| 36 | Franklin County | 47 |
| 36 | Lee County | 47 |
| 36 | Woodford County | 47 |
| 37 | Adams County | 45 |
| 38 | Wabash County | 44 |
| 39 | Ford County | 43 |
| 40 | Jo Daviess County | 41 |
| 41 | Saline County | 40 |
| 42 | Iroquois County | 34 |
| 43 | Bureau County | 32 |
| 43 | Logan County | 32 |
| 44 | Hancock County | 31 |
| 44 | Piatt County | 31 |
| 45 | McDonough County | 29 |
| 45 | Marshall County | 29 |
| 45 | Perry County | 29 |
| 46 | Jersey County | 24 |
| 46 | Ogle County | 24 |
| 46 | Stephenson County | 24 |
| 47 | White County | 23 |
| 48 | Clinton County | 19 |
| 48 | Effingham County | 19 |
| 48 | Jefferson County | 19 |
| 48 | Union County | 19 |
| 49 | Carroll County | 18 |
| 50 | Clark County | 15 |
| 51 | Bond County | 13 |
| 51 | Mercer County | 13 |
| 52 | Shelby County | 11 |
| 53 | Lawrence County | 10 |
| 53 | Stark County | 10 |
| 54 | Marion County | 8 |
| 54 | Randolph County | 8 |
| 55 | Gallatin County | 7 |
| 55 | Greene County | 7 |
| 55 | Pike County | 7 |
| 55 | Washington County | 7 |
| 56 | De Witt County | 6 |
| 57 | Mason County | 5 |
| 58 | Clay County | 4 |
| 59 | Crawford County | 3 |
| 59 | Cumberland County | 3 |
| 60 | Calhoun County | 2 |
| 60 | Putnam County | 2 |
| 60 | Warren County | 2 |