Ranking of Illinois Counties By Non-Hispanic Population from Census 2020

Updated on April 26, 2023.

According to the data from the United States 2020 decennial Census, in April 2020, among all of Illinois counties, Cook County had the highest number of people who identified as Non-Hispanic (not hispanic or latino) (3.89M), followed by DuPage County (788.59K), and Will County (565.50K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties based on the number of people who identified as non-hispanic.

You can see similar ranking information for other states and also for the different racial groups and the different ethnicities in Illinois.

Ranking of Illinois Counties By Non-Hispanic Population from Census 2020
Cook
DuPage
Will
Lake
Kane
McHenry
Madison
St. Clair
Winnebago
Sangamon
Ranking of Illinois Counties By Non-Hispanic Population from Census 2020
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Rank County Non-Hispanic Population
1 Cook County 3892763
2 DuPage County 788586
3 Will County 565504
4 Lake County 542380
5 Kane County 346927
6 McHenry County 263524
7 Madison County 255062
8 St. Clair County 244818
9 Winnebago County 244398
10 Sangamon County 191034
11 Champaign County 189199
12 Peoria County 171739
13 McLean County 160430
14 Tazewell County 128182
15 Rock Island County 124830
16 Kendall County 104742
17 Macon County 101265
18 LaSalle County 98202
19 Kankakee County 94982
20 DeKalb County 86823
21 Vermilion County 70372
22 Williamson County 65374
23 Adams County 64450
24 Jackson County 50137
25 Whiteside County 48560
26 Knox County 46916
27 Grundy County 46821
28 Henry County 46114
29 Ogle County 45991
30 Coles County 45095
31 Macoupin County 44397
32 Stephenson County 42376
33 Boone County 40568
34 Woodford County 37727
35 Franklin County 37162
36 Marion County 37017
37 Jefferson County 36214
38 Clinton County 35512
39 Monroe County 34316
40 Livingston County 33956
41 Effingham County 33796
42 Christian County 32938
43 Fulton County 32871
44 Morgan County 32077
45 Lee County 31821
46 Bureau County 30149
47 Randolph County 29132
48 Montgomery County 27701
49 Logan County 27169
50 McDonough County 26276
51 Iroquois County 24992
52 Saline County 23295
53 Jersey County 21185
54 Jo Daviess County 21179
55 Fayette County 20831
56 Shelby County 20777
57 Perry County 20231
58 Crawford County 18232
59 Douglas County 18175
60 Hancock County 17302
61 Edgar County 16641
62 Piatt County 16426
63 Union County 16377
64 Bond County 16121
65 Wayne County 15997
66 Richland County 15540
67 Mercer County 15231
68 Clark County 15209
69 Warren County 15046
70 De Witt County 15006
71 Carroll County 14945
72 Lawrence County 14766
73 Pike County 14477
74 Moultrie County 14332
75 Massac County 13836
76 White County 13689
77 Washington County 13537
78 Clay County 13065
79 Ford County 12980
80 Mason County 12902
81 Johnson County 12756
82 Menard County 12137
83 Greene County 11879
84 Marshall County 11419
85 Wabash County 11183
86 Cumberland County 10338
87 Cass County 10253
88 Jasper County 9203
89 Hamilton County 7897
90 Schuyler County 6750
91 Henderson County 6275
92 Edwards County 6182
93 Brown County 5962
94 Putnam County 5289
95 Stark County 5268
96 Alexander County 5158
97 Pulaski County 4989
98 Scott County 4901
99 Gallatin County 4893
100 Calhoun County 4373
101 Pope County 3692
102 Hardin County 3584