Ranking of Illinois Counties By Population with Greek Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 89.11K people in Illinois with Greek ancestry. Among all Illinois counties, Cook County had the highest population with Greek ancestry (46.68K), followed by DuPage County (11.50K), and Lake County (6.90K).

The chart and table below shows the top 10 counties with high number of people with Greek ancestry.

You can see similar information for other states and for other ancestry groups in Illinois.

Data Source: US Census Bureau.
Ranking of Illinois Counties By Population with Greek Ancestry in 2021
Cook County
DuPage County
Lake County
Will County
Kane County
McHenry County
Kendall County
Champaign County
Peoria County
Winnebago County
Ranking of Illinois Counties By Population with Greek Ancestry in 2021
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Rank County Population
1 Cook County 46683
2 DuPage County 11498
3 Lake County 6899
4 Will County 5249
5 Kane County 3588
6 McHenry County 2953
7 Kendall County 910
8 Champaign County 907
9 Peoria County 853
10 Winnebago County 795
11 St. Clair County 784
12 DeKalb County 632
13 Grundy County 568
14 Madison County 556
15 McLean County 482
16 Tazewell County 477
17 LaSalle County 425
18 Rock Island County 423
19 Sangamon County 361
20 Kankakee County 304
21 Macon County 271
22 Boone County 200
23 Adams County 199
24 Christian County 197
25 Monroe County 196
26 Ogle County 150
27 Henry County 143
28 Stephenson County 142
29 Williamson County 139
30 Montgomery County 118
31 Carroll County 109
32 Coles County 108
33 Knox County 103
34 Iroquois County 102
35 Bureau County 97
36 Effingham County 96
37 McDonough County 93
38 Lee County 89
39 Piatt County 88
40 Whiteside County 70
41 Vermilion County 69
42 Massac County 67
43 Jo Daviess County 63
44 Morgan County 60
45 Jackson County 59
46 Woodford County 47
47 Bond County 44
47 Marion County 44
48 Clinton County 42
49 Pike County 38
50 Clark County 34
50 Mercer County 34
51 Edgar County 31
52 Saline County 29
53 Perry County 28
54 Franklin County 27
55 Fayette County 25
55 Randolph County 25
56 Greene County 24
56 Logan County 24
57 Fulton County 21
58 Warren County 17
58 White County 17
59 Marshall County 16
59 Richland County 16
60 De Witt County 14
61 Cumberland County 12
61 Jersey County 12
62 Livingston County 11
62 Putnam County 11
63 Wayne County 9
64 Crawford County 8
64 Douglas County 8
64 Pope County 8
65 Hancock County 7
65 Johnson County 7
66 Macoupin County 6
66 Menard County 6
67 Clay County 5
67 Gallatin County 5
68 Jefferson County 3
68 Lawrence County 3
68 Shelby County 3
69 Edwards County 2
69 Henderson County 2
69 Moultrie County 2
69 Scott County 2
69 Washington County 2
70 Calhoun County 1