Ranking of Illinois Counties By Non-Hispanic Black or African American 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 ethnicity as Non-Hispanic Black or African American (1.24M), followed by St. Clair County (79.70K), and Will County (77.89K).

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 Non-Hispanic Black or African American Population in 2015
Cook
St. Clair
Will
Lake
DuPage
Winnebago
Peoria
Kane
Champaign
Sangamon
Ranking of Illinois Counties By Non-Hispanic Black or African American Population in 2015
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Rank County Non-Hispanic Black or African American Population
1 Cook County 1235734
2 St. Clair County 79703
3 Will County 77893
4 Lake County 48167
5 DuPage County 44916
6 Winnebago County 36179
7 Peoria County 33725
8 Kane County 28440
9 Champaign County 26680
10 Sangamon County 24547
11 Madison County 22137
12 Macon County 18322
13 Kankakee County 16683
14 Rock Island County 14435
15 McLean County 13043
16 Vermilion County 10480
17 Jackson County 8613
18 Kendall County 7876
19 DeKalb County 7376
20 Stephenson County 4339
21 McHenry County 4069
22 Knox County 3970
23 Randolph County 3416
24 Jefferson County 3327
25 Williamson County 2872
26 LaSalle County 2763
27 Adams County 2411
28 Alexander County 2258
29 Logan County 2239
30 Morgan County 2184
31 Coles County 1919
32 Perry County 1876
33 Pulaski County 1763
34 Lee County 1747
35 Lawrence County 1616
36 McDonough County 1614
37 Livingston County 1549
38 Tazewell County 1547
39 Marion County 1505
40 Clinton County 1310
41 Fulton County 1297
42 Brown County 1261
43 Johnson County 1143
44 Boone County 1126
45 Fayette County 1084
46 Bond County 986
47 Montgomery County 976
48 Saline County 952
49 Crawford County 923
50 Whiteside County 830
51 Henry County 821
52 Massac County 809
53 Grundy County 661
54 Christian County 518
55 Ogle County 492
56 Cass County 456
57 Warren County 441
58 Macoupin County 406
59 Iroquois County 285
60 Schuyler County 258
61 Bureau County 236
62 Pope County 235
63 Woodford County 226
64 Pike County 221
65 Franklin County 181
65 Union County 181
66 Greene County 157
67 Effingham County 146
68 Jersey County 142
69 Carroll County 141
70 De Witt County 134
71 Jo Daviess County 117
72 Ford County 113
73 Washington County 112
74 Menard County 104
75 Monroe County 99
76 Mercer County 94
77 Douglas County 93
78 Richland County 91
79 Wayne County 90
80 Edgar County 87
81 Piatt County 84
82 Hancock County 82
83 Wabash County 74
84 White County 70
85 Mason County 69
85 Shelby County 69
86 Marshall County 65
87 Clark County 64
88 Cumberland County 56
89 Moultrie County 55
90 Clay County 53
91 Hamilton County 46
92 Putnam County 45
93 Edwards County 40
94 Stark County 36
95 Gallatin County 27
96 Jasper County 22
97 Hardin County 21
98 Henderson County 20
99 Scott County 17
100 Calhoun County 14