Ranking of Illinois Counties By White Alone Population in 2021

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2021, among all Illinois counties, Cook County had the highest number of people who identified their race as White Alone (3.38M), followed by DuPage County (729.75K), and Lake County (571.59K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Illinois Counties By White Alone Population in 2021
Cook
DuPage
Lake
Will
Kane
McHenry
Madison
Winnebago
St. Clair
Sangamon
Ranking of Illinois Counties By White Alone Population in 2021
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Rank County White Alone Population
1 Cook County 3382710
2 DuPage County 729748
3 Lake County 571589
4 Will County 548020
5 Kane County 445440
6 McHenry County 288539
7 Madison County 230194
8 Winnebago County 223523
9 St. Clair County 164309
10 Sangamon County 158464
11 Champaign County 147024
12 McLean County 142005
13 Peoria County 130770
14 Tazewell County 124576
15 Rock Island County 116429
16 Kendall County 114113
17 LaSalle County 102731
18 Kankakee County 86245
19 DeKalb County 85898
20 Macon County 78614
21 Williamson County 60990
22 Adams County 60075
23 Vermilion County 59871
24 Whiteside County 52626
25 Grundy County 50292
26 Ogle County 49361
27 Boone County 49055
28 Henry County 46648
29 Coles County 43195
30 Macoupin County 43047
31 Knox County 42882
32 Jackson County 40668
33 Stephenson County 37437
34 Woodford County 36983
35 Franklin County 36301
36 Clinton County 34728
37 Marion County 34477
38 Monroe County 34101
39 Effingham County 33555
40 Livingston County 33354
41 Jefferson County 32295
42 Christian County 32012
43 Bureau County 31517
44 Fulton County 31266
45 Lee County 31119
46 Morgan County 29453
47 Randolph County 26880
48 Montgomery County 26455
49 Iroquois County 25741
50 Logan County 25020
51 McDonough County 24102
52 Saline County 21804
53 Jo Daviess County 21310
54 Jersey County 20591
55 Shelby County 20366
56 Fayette County 19527
57 Douglas County 18979
58 Perry County 18508
59 Crawford County 17288
60 Hancock County 16881
61 Piatt County 16254
62 Edgar County 16167
63 Union County 16074
64 Wayne County 15542
65 Warren County 15242
66 Richland County 15214
67 Mercer County 15135
68 Bond County 14948
69 Clark County 14941
70 De Witt County 14874
71 Carroll County 14631
72 Pike County 14232
73 Moultrie County 14179
74 White County 13368
75 Lawrence County 13262
76 Washington County 13219
77 Ford County 12902
78 Clay County 12763
79 Massac County 12525
80 Mason County 12429
81 Menard County 11745
82 Cass County 11586
83 Greene County 11581
84 Johnson County 11354
85 Marshall County 11276
86 Wabash County 10733
87 Cumberland County 10044
88 Jasper County 9009
89 Hamilton County 7661
90 Schuyler County 6369
91 Henderson County 6097
92 Edwards County 5907
93 Putnam County 5422
94 Stark County 5091
95 Brown County 4957
96 Gallatin County 4718
97 Scott County 4689
98 Calhoun County 4305
99 Pope County 3530
100 Hardin County 3479
101 Pulaski County 3290
102 Alexander County 3276