Ranking of Illinois Counties By Population with German Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.15M people in Illinois with German ancestry. Among all Illinois counties, Cook County had the highest population with German ancestry (488.91K), followed by DuPage County (163.50K), and Will County (122.80K).
The chart and table below shows the top 10 counties with high number of people with German 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 German Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 488906 |
| 2 | DuPage County | 163501 |
| 3 | Will County | 122795 |
| 4 | Lake County | 119341 |
| 5 | Kane County | 98122 |
| 6 | McHenry County | 89381 |
| 7 | Madison County | 72190 |
| 8 | Winnebago County | 61151 |
| 9 | St. Clair County | 56258 |
| 10 | McLean County | 45782 |
| 11 | Sangamon County | 41643 |
| 12 | Champaign County | 40114 |
| 13 | Peoria County | 38394 |
| 14 | Tazewell County | 38075 |
| 15 | Rock Island County | 29968 |
| 16 | Kendall County | 29923 |
| 17 | LaSalle County | 29164 |
| 18 | DeKalb County | 25643 |
| 19 | Adams County | 23902 |
| 20 | Kankakee County | 22947 |
| 21 | Macon County | 22255 |
| 22 | Clinton County | 17244 |
| 23 | Stephenson County | 16463 |
| 24 | Effingham County | 15868 |
| 25 | Whiteside County | 15707 |
| 26 | Ogle County | 15646 |
| 27 | Woodford County | 15525 |
| 28 | Monroe County | 14937 |
| 29 | Boone County | 13213 |
| 30 | Macoupin County | 12962 |
| 31 | Grundy County | 12858 |
| 32 | Livingston County | 12183 |
| 33 | Henry County | 11781 |
| 34 | Vermilion County | 11312 |
| 35 | Coles County | 10966 |
| 36 | Williamson County | 10700 |
| 37 | Lee County | 10678 |
| 38 | Jackson County | 9700 |
| 39 | Randolph County | 9688 |
| 40 | Jo Daviess County | 9329 |
| 41 | Iroquois County | 8650 |
| 42 | Marion County | 8634 |
| 43 | Bureau County | 8546 |
| 44 | Knox County | 8464 |
| 45 | Logan County | 8145 |
| 46 | Fulton County | 7842 |
| 47 | Jersey County | 7544 |
| 48 | Montgomery County | 7388 |
| 49 | Jefferson County | 6608 |
| 50 | Morgan County | 6543 |
| 51 | Christian County | 6292 |
| 52 | Washington County | 6273 |
| 53 | Franklin County | 5491 |
| 54 | McDonough County | 5365 |
| 55 | Richland County | 5269 |
| 56 | Fayette County | 5156 |
| 57 | Hancock County | 4969 |
| 58 | Douglas County | 4956 |
| 59 | Carroll County | 4901 |
| 60 | Perry County | 4758 |
| 61 | Shelby County | 4693 |
| 62 | Bond County | 4671 |
| 63 | Piatt County | 4177 |
| 64 | Ford County | 4060 |
| 65 | Mason County | 3909 |
| 66 | Greene County | 3904 |
| 67 | Saline County | 3783 |
| 68 | Marshall County | 3761 |
| 69 | Wayne County | 3735 |
| 70 | Crawford County | 3636 |
| 71 | Moultrie County | 3431 |
| 72 | Jasper County | 3430 |
| 73 | Union County | 3407 |
| 74 | Pike County | 3387 |
| 75 | Menard County | 3277 |
| 76 | Clay County | 3275 |
| 77 | Edgar County | 3253 |
| 78 | Clark County | 3239 |
| 79 | Cumberland County | 3214 |
| 80 | Wabash County | 3209 |
| 81 | Lawrence County | 3193 |
| 82 | De Witt County | 3011 |
| 83 | Mercer County | 3000 |
| 83 | White County | 3000 |
| 84 | Warren County | 2826 |
| 85 | Cass County | 2689 |
| 86 | Massac County | 2636 |
| 87 | Calhoun County | 2575 |
| 88 | Hamilton County | 2119 |
| 89 | Putnam County | 1981 |
| 90 | Johnson County | 1752 |
| 91 | Schuyler County | 1631 |
| 92 | Scott County | 1470 |
| 93 | Stark County | 1404 |
| 94 | Brown County | 1388 |
| 95 | Henderson County | 1182 |
| 96 | Edwards County | 1028 |
| 97 | Hardin County | 924 |
| 98 | Gallatin County | 911 |
| 99 | Alexander County | 679 |
| 100 | Pulaski County | 639 |
| 101 | Pope County | 483 |
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