Ranking of Illinois Counties By Percentage of Population that are Non-Hispanic Black or African American in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, among all Illinois counties, Alexander County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Black or African American (33.39%), followed by Pulaski County (31.14%), and St. Clair County (30.08%).

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.

You may also be interested in:
Ranking of Illinois Counties By Non-Hispanic Black or African American Population in 2015

Related Topics: Illinois Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

See this for other years:

Ranking of Illinois Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2015

Alexander

Pulaski

St. Clair

Cook

Brown

Peoria

Macon

Kankakee

Jackson

Vermilion

Ranking of Illinois Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2015

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Rank	County	% of County Population
1	Alexander County	33.39
2	Pulaski County	31.14
3	St. Clair County	30.08
4	Cook County	23.57
5	Brown County	18.67
6	Peoria County	18.08
7	Macon County	17.06
8	Kankakee County	14.92
9	Jackson County	14.54
10	Vermilion County	13.23
11	Champaign County	12.73
12	Winnebago County	12.6
13	Sangamon County	12.34
14	Will County	11.36
15	Randolph County	10.43
16	Rock Island County	9.88
17	Lawrence County	9.81
18	Stephenson County	9.5
19	Johnson County	8.95
20	Perry County	8.72
21	Jefferson County	8.69
22	Madison County	8.32
23	Knox County	7.73
24	Logan County	7.65
25	McLean County	7.53
26	DeKalb County	7.08
27	Lake County	6.84
28	Kendall County	6.41
29	Morgan County	6.3
30	Bond County	5.91
31	Massac County	5.55
32	Pope County	5.46
33	Kane County	5.38
34	McDonough County	5.13
35	Lee County	5.06
36	Fayette County	4.92
37	DuPage County	4.81
38	Crawford County	4.79
39	Williamson County	4.26
40	Livingston County	4.23
41	Marion County	3.92
42	Saline County	3.89
43	Coles County	3.68
44	Fulton County	3.63
45	Adams County	3.61
45	Schuyler County	3.61
46	Cass County	3.55
47	Clinton County	3.48
48	Montgomery County	3.34
49	Warren County	2.53
50	LaSalle County	2.49
51	Boone County	2.1
52	Henry County	1.65
53	Christian County	1.55
54	Whiteside County	1.46
55	Pike County	1.4
56	McHenry County	1.32
57	Grundy County	1.31
58	Greene County	1.18
59	Tazewell County	1.15
60	Union County	1.05
61	Iroquois County	1
62	Carroll County	0.96
63	Ogle County	0.95
64	Macoupin County	0.89
65	Ford County	0.84
65	Menard County	0.84
66	De Witt County	0.83
67	Putnam County	0.79
67	Washington County	0.79
68	Bureau County	0.71
69	Stark County	0.65
70	Jersey County	0.64
70	Wabash County	0.64
71	Edwards County	0.61
72	Mercer County	0.6
73	Woodford County	0.58
74	Richland County	0.57
75	Hamilton County	0.56
76	Marshall County	0.55
77	Wayne County	0.54
78	Jo Daviess County	0.53
79	Cumberland County	0.52
79	Gallatin County	0.52
79	Hardin County	0.52
80	Piatt County	0.51
81	Mason County	0.5
82	Edgar County	0.49
82	White County	0.49
83	Douglas County	0.47
84	Franklin County	0.46
85	Hancock County	0.45
86	Effingham County	0.43
87	Clark County	0.4
87	Clay County	0.4
88	Moultrie County	0.37
89	Scott County	0.33
90	Shelby County	0.32
91	Calhoun County	0.29
91	Henderson County	0.29
91	Monroe County	0.29
92	Jasper County	0.23