Ranking of Illinois Counties By Population with European Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 169.11K people in Illinois with European ancestry. Among all Illinois counties, Cook County had the highest population with European ancestry (50.31K), followed by DuPage County (19.46K), and Lake County (10.36K).
The chart and table below shows the top 10 counties with high number of people with 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 European Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 50313 |
| 2 | DuPage County | 19462 |
| 3 | Lake County | 10358 |
| 4 | Kane County | 8429 |
| 5 | Tazewell County | 7873 |
| 6 | Will County | 7380 |
| 7 | Madison County | 4890 |
| 8 | McHenry County | 3867 |
| 9 | Champaign County | 3838 |
| 10 | St. Clair County | 3722 |
| 11 | Winnebago County | 3721 |
| 12 | Sangamon County | 3637 |
| 13 | McLean County | 3200 |
| 14 | Peoria County | 3151 |
| 15 | Rock Island County | 1885 |
| 16 | Kendall County | 1855 |
| 17 | Macon County | 1752 |
| 18 | LaSalle County | 1496 |
| 19 | DeKalb County | 1285 |
| 20 | Woodford County | 1152 |
| 21 | Jackson County | 1130 |
| 22 | Coles County | 1052 |
| 23 | Williamson County | 976 |
| 24 | Adams County | 937 |
| 25 | Knox County | 751 |
| 26 | McDonough County | 724 |
| 27 | Henry County | 684 |
| 28 | Boone County | 659 |
| 29 | Whiteside County | 655 |
| 30 | Kankakee County | 645 |
| 31 | Ogle County | 642 |
| 32 | Vermilion County | 628 |
| 33 | Marion County | 588 |
| 34 | Macoupin County | 582 |
| 35 | Fulton County | 487 |
| 36 | Jefferson County | 480 |
| 37 | Jersey County | 476 |
| 38 | Edgar County | 471 |
| 39 | Clinton County | 447 |
| 40 | Monroe County | 436 |
| 41 | Grundy County | 417 |
| 42 | Morgan County | 416 |
| 43 | De Witt County | 415 |
| 44 | Douglas County | 396 |
| 45 | Logan County | 394 |
| 46 | Montgomery County | 393 |
| 47 | Christian County | 384 |
| 48 | Stephenson County | 376 |
| 49 | Lee County | 373 |
| 50 | Menard County | 359 |
| 51 | Bureau County | 348 |
| 52 | Livingston County | 346 |
| 53 | Effingham County | 339 |
| 54 | Clark County | 327 |
| 55 | Franklin County | 291 |
| 56 | Mercer County | 288 |
| 57 | Piatt County | 285 |
| 58 | Iroquois County | 283 |
| 59 | Marshall County | 275 |
| 59 | Perry County | 275 |
| 60 | Pike County | 271 |
| 60 | Shelby County | 271 |
| 61 | Jasper County | 261 |
| 62 | Ford County | 255 |
| 63 | Richland County | 251 |
| 64 | Crawford County | 248 |
| 65 | Moultrie County | 226 |
| 66 | Saline County | 218 |
| 67 | Johnson County | 208 |
| 68 | Jo Daviess County | 188 |
| 69 | Mason County | 186 |
| 70 | Warren County | 179 |
| 71 | White County | 178 |
| 72 | Randolph County | 176 |
| 72 | Union County | 176 |
| 73 | Cumberland County | 171 |
| 74 | Wayne County | 165 |
| 75 | Cass County | 157 |
| 76 | Hancock County | 155 |
| 77 | Stark County | 141 |
| 78 | Lawrence County | 130 |
| 79 | Scott County | 113 |
| 80 | Edwards County | 111 |
| 81 | Wabash County | 105 |
| 82 | Greene County | 103 |
| 83 | Clay County | 88 |
| 84 | Bond County | 87 |
| 85 | Washington County | 81 |
| 86 | Fayette County | 80 |
| 87 | Carroll County | 79 |
| 88 | Schuyler County | 64 |
| 89 | Brown County | 57 |
| 90 | Alexander County | 45 |
| 91 | Massac County | 43 |
| 92 | Henderson County | 35 |
| 93 | Pope County | 32 |
| 94 | Calhoun County | 30 |
| 95 | Putnam County | 26 |
| 96 | Gallatin County | 13 |
| 97 | Hamilton County | 10 |
| 98 | Pulaski County | 1 |
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