Ranking of Illinois Counties By White Alone Voting-age Population from Census 2020

Updated on August 26, 2023.

According to the data from the United States 2020 decennial Census, as at April 2020, among all Illinois counties, Cook County had the highest voting-age population who identified their race as White Alone (1.96M), followed by DuPage County (498.91K), and Will County (349.07K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties based on White Alone voting-age population.

You can see similar ranking information for other states. You can also see similar rankings for other racial groups in Illinois.

Ranking of Illinois Counties By White Alone Voting-age Population from Census 2020
Cook
DuPage
Will
Lake
Kane
McHenry
Madison
Winnebago
Sangamon
St. Clair
Ranking of Illinois Counties By White Alone Voting-age Population from Census 2020
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Rank County White Alone Voting-age Population
1 Cook County 1958920
2 DuPage County 498909
3 Will County 349074
4 Lake County 348907
5 Kane County 246622
6 McHenry County 196954
7 Madison County 174489
8 Winnebago County 157081
9 Sangamon County 123653
10 St. Clair County 123608
11 Champaign County 108165
12 McLean County 106946
13 Peoria County 100261
14 Tazewell County 94803
15 Rock Island County 84882
16 LaSalle County 75667
17 Kendall County 66863
18 Macon County 62100
19 Kankakee County 61498
20 DeKalb County 59817
21 Williamson County 46854
22 Adams County 46643
23 Vermilion County 46063
24 Whiteside County 38266
25 Ogle County 35269
26 Henry County 34621
27 Grundy County 34589
28 Macoupin County 33553
29 Knox County 33434
30 Coles County 33185
31 Jackson County 31826
32 Boone County 30538
33 Stephenson County 29603
34 Franklin County 28115
35 Woodford County 27543
36 Marion County 26312
37 Clinton County 26002
38 Monroe County 25566
39 Effingham County 25275
40 Livingston County 25239
41 Christian County 25220
42 Jefferson County 24971
43 Fulton County 24687
44 Bureau County 23625
45 Morgan County 23465
46 Lee County 23440
47 Randolph County 20641
48 Montgomery County 20578
49 Logan County 19867
50 McDonough County 19299
51 Iroquois County 19252
52 Saline County 16946
53 Jo Daviess County 16901
54 Jersey County 16169
55 Shelby County 15989
56 Fayette County 15597
57 Perry County 14351
58 Douglas County 13564
59 Crawford County 13554
60 Hancock County 13266
61 Edgar County 12806
62 Union County 12510
63 Piatt County 12329
64 Wayne County 11924
65 Bond County 11770
66 Mercer County 11661
67 Richland County 11647
68 Carroll County 11588
69 De Witt County 11543
70 Clark County 11524
71 Warren County 11238
72 Pike County 10851
73 Moultrie County 10467
74 White County 10408
75 Washington County 10350
76 Lawrence County 10211
77 Mason County 9966
78 Ford County 9820
79 Clay County 9715
80 Massac County 9650
81 Menard County 9059
82 Greene County 8980
83 Johnson County 8845
84 Marshall County 8783
85 Wabash County 8285
86 Cumberland County 7752
87 Cass County 7543
88 Jasper County 6982
89 Hamilton County 5917
90 Schuyler County 5116
91 Henderson County 4971
92 Edwards County 4661
93 Putnam County 4249
94 Stark County 4038
95 Brown County 3797
96 Gallatin County 3759
97 Scott County 3744
98 Calhoun County 3395
99 Pope County 2887
100 Hardin County 2835
101 Alexander County 2746
102 Pulaski County 2611