Ranking of Illinois Counties By Two Or More Races Population in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all Illinois counties, Cook County had the highest number of people who identified their race as Two Or More Races (104.52K), followed by DuPage County (19.15K), and Lake County (15.50K).

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 Two Or More Races Population in 2018
Cook
DuPage
Lake
Will
Kane
Winnebago
St. Clair
Champaign
Madison
Peoria
Ranking of Illinois Counties By Two Or More Races Population in 2018
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Rank County Two Or More Races Population
1 Cook County 104518
2 DuPage County 19148
3 Lake County 15495
4 Will County 13753
5 Kane County 10525
6 Winnebago County 8307
7 St. Clair County 6644
8 Champaign County 6305
9 Madison County 5597
10 Peoria County 5350
11 McHenry County 5051
12 Sangamon County 4914
13 McLean County 4240
14 Rock Island County 4221
15 Macon County 3292
16 Kendall County 2679
17 Kankakee County 2234
18 DeKalb County 2137
19 Tazewell County 1926
20 Vermilion County 1887
21 Jackson County 1602
22 LaSalle County 1458
23 Stephenson County 1454
24 Knox County 1359
25 Adams County 1319
26 Boone County 1261
27 Williamson County 1253
28 Whiteside County 942
29 Coles County 859
30 Jefferson County 777
31 Henry County 775
32 Ogle County 766
33 Marion County 757
34 Grundy County 676
35 Morgan County 645
36 Livingston County 596
37 Macoupin County 538
38 Lee County 514
39 Franklin County 505
40 McDonough County 504
41 Logan County 489
42 Saline County 486
43 Clinton County 478
44 Bureau County 454
45 Woodford County 444
46 Randolph County 391
47 Iroquois County 383
48 Perry County 362
49 Christian County 354
50 Fulton County 347
51 Massac County 340
52 Monroe County 339
53 Warren County 328
54 Effingham County 312
55 Jersey County 281
56 Union County 266
57 Bond County 252
58 Montgomery County 247
59 Fayette County 244
60 Douglas County 235
61 Jo Daviess County 234
62 Richland County 210
63 Carroll County 204
64 De Witt County 199
65 Crawford County 197
66 Piatt County 195
67 Shelby County 194
68 Ford County 193
69 Hancock County 187
70 Menard County 183
71 Mercer County 178
72 Wabash County 167
73 Lawrence County 164
74 Wayne County 157
75 Clark County 155
75 Pulaski County 155
76 Cass County 153
77 Marshall County 147
78 Alexander County 144
78 Edgar County 144
79 Mason County 143
80 Moultrie County 140
81 Johnson County 137
82 White County 134
83 Clay County 128
84 Pike County 122
85 Washington County 121
86 Cumberland County 117
87 Greene County 95
88 Hamilton County 86
89 Gallatin County 85
90 Henderson County 83
90 Stark County 83
91 Putnam County 78
92 Edwards County 69
93 Jasper County 67
94 Brown County 56
95 Pope County 52
96 Hardin County 51
97 Scott County 49
98 Schuyler County 44
99 Calhoun County 29