Ranking of Illinois Counties By Percentage of Population that are Non-Hispanic Black or African American in 2019

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2019, among all Illinois counties, Alexander County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Black or African American (31.24%), followed by St. Clair County (30.31%), and Pulaski County (29.78%).

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 2019

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 2019

Alexander

St. Clair

Pulaski

Cook

Peoria

Brown

Macon

Jackson

Kankakee

Vermilion

Ranking of Illinois Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2019

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Rank	County	% of County Population
1	Alexander County	31.24
2	St. Clair County	30.31
3	Pulaski County	29.78
4	Cook County	23.04
5	Peoria County	18.61
6	Brown County	18.37
7	Macon County	17.62
8	Jackson County	14.89
9	Kankakee County	14.68
10	Vermilion County	13.64
11	Winnebago County	13.5
12	Champaign County	13.42
13	Sangamon County	12.87
14	Will County	11.75
15	Rock Island County	10.63
16	Randolph County	10.48
17	Stephenson County	10.13
18	Lawrence County	9.91
19	Perry County	8.82
20	Madison County	8.74
21	Jefferson County	8.45
22	McLean County	8.14
23	Knox County	8.08
23	Logan County	8.08
24	DeKalb County	8.04
25	Kendall County	7.36
26	Johnson County	6.89
27	Lake County	6.85
28	Morgan County	6.72
29	Bond County	6.17
30	Massac County	6.03
31	Pope County	5.34
32	Kane County	5.33
32	Lee County	5.33
32	McDonough County	5.33
33	Crawford County	5.06
34	DuPage County	4.95
35	Williamson County	4.54
36	Fayette County	4.39
37	Schuyler County	4.33
38	Cass County	4.3
39	Marion County	4.17
40	Livingston County	4.03
41	Fulton County	3.86
42	Coles County	3.82
43	Adams County	3.81
44	Saline County	3.7
45	Clinton County	3.5
45	Montgomery County	3.5
46	LaSalle County	2.64
47	Warren County	2.54
48	Boone County	2.44
49	Henry County	1.86
50	Grundy County	1.58
51	Christian County	1.55
52	McHenry County	1.54
52	Whiteside County	1.54
53	Pike County	1.41
54	Tazewell County	1.34
55	Greene County	1.25
55	Union County	1.25
56	Iroquois County	1.16
57	Ogle County	1.1
58	Carroll County	1.05
59	Macoupin County	0.97
60	Ford County	0.96
61	Stark County	0.92
61	Washington County	0.92
62	Wabash County	0.9
63	De Witt County	0.89
64	Richland County	0.87
65	Menard County	0.85
66	Bureau County	0.82
67	Jersey County	0.76
68	Jo Daviess County	0.73
69	Woodford County	0.71
70	Marshall County	0.69
71	Gallatin County	0.68
72	Hamilton County	0.66
72	Mercer County	0.66
72	Moultrie County	0.66
73	Piatt County	0.64
74	Mason County	0.61
75	Hancock County	0.6
76	Putnam County	0.59
76	Wayne County	0.59
77	Effingham County	0.57
78	Franklin County	0.56
78	White County	0.56
79	Edgar County	0.54
79	Scott County	0.54
80	Douglas County	0.52
80	Edwards County	0.52
81	Clay County	0.5
82	Henderson County	0.49
83	Cumberland County	0.44
84	Clark County	0.42
84	Hardin County	0.42
85	Calhoun County	0.4
86	Monroe County	0.37
87	Shelby County	0.35
88	Jasper County	0.28