Ranking of Illinois Counties By Two Or More Races Population in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, among all Illinois counties, Cook County had the highest number of people who identified their race as Two Or More Races (98.66K), followed by DuPage County (17.76K), and Lake County (14.52K).

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 2015
Cook
DuPage
Lake
Will
Kane
Winnebago
St. Clair
Champaign
Peoria
Madison
Ranking of Illinois Counties By Two Or More Races Population in 2015
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Rank County Two Or More Races Population
1 Cook County 98661
2 DuPage County 17763
3 Lake County 14524
4 Will County 12565
5 Kane County 9900
6 Winnebago County 7692
7 St. Clair County 6172
8 Champaign County 5896
9 Peoria County 5259
10 Madison County 5124
11 Sangamon County 4715
12 McHenry County 4564
13 Rock Island County 4097
14 McLean County 4069
15 Macon County 3050
16 Kendall County 2463
17 Kankakee County 2105
18 DeKalb County 1967
19 Tazewell County 1808
20 Vermilion County 1800
21 Jackson County 1635
22 LaSalle County 1357
23 Stephenson County 1308
24 Knox County 1274
25 Adams County 1209
26 Boone County 1167
27 Williamson County 1116
28 Whiteside County 901
29 Coles County 844
30 Jefferson County 730
31 Henry County 713
32 Marion County 685
33 Ogle County 678
34 Morgan County 623
35 Grundy County 618
36 McDonough County 534
37 Livingston County 525
38 Lee County 501
39 Macoupin County 476
40 Saline County 475
41 Woodford County 458
42 Franklin County 452
43 Logan County 430
44 Clinton County 422
45 Bureau County 417
46 Randolph County 363
47 Perry County 359
48 Iroquois County 347
49 Massac County 344
50 Fulton County 340
51 Christian County 324
52 Warren County 292
53 Monroe County 279
54 Effingham County 275
55 Jersey County 268
56 Union County 266
57 Fayette County 249
58 Bond County 233
59 Montgomery County 227
60 Douglas County 220
61 Hancock County 208
62 De Witt County 188
63 Carroll County 185
63 Richland County 185
64 Crawford County 184
65 Jo Daviess County 182
66 Lawrence County 180
67 Piatt County 170
68 Ford County 163
68 Menard County 163
69 Shelby County 160
70 Mason County 159
71 Alexander County 156
72 Wayne County 153
73 Mercer County 148
74 Cass County 146
75 Wabash County 144
76 Clark County 142
77 Washington County 139
78 Marshall County 134
79 Edgar County 133
80 Pulaski County 131
81 Pike County 125
82 Clay County 122
82 Johnson County 122
83 White County 119
84 Moultrie County 117
85 Cumberland County 111
86 Greene County 96
87 Hamilton County 85
88 Henderson County 76
89 Stark County 73
90 Gallatin County 71
91 Edwards County 68
92 Jasper County 63
93 Putnam County 58
94 Scott County 51
95 Brown County 49
96 Pope County 44
97 Hardin County 42
98 Schuyler County 37
99 Calhoun County 20