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RANKING · 2020 CENSUS · 102 SHOWN OF 102

Highest Black population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Black or African American (2020 American Community Survey). A concentration measure: Black residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

Highest Black population share by state
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RANKPLACESTATEPOPBLACKVS 2000
01Alexander County, ILIL4,57030.8%−4.0 pts
02St. Clair County, ILIL250,70829.5%+0.9 pts
03Pulaski County, ILIL4,82028.2%−2.5 pts
04Cook County, ILIL5,194,62522.5%−3.4 pts
05Peoria County, ILIL178,55318.5%+2.5 pts
06Macon County, ILIL99,30018.2%+4.2 pts
07Brown County, ILIL6,40116.6%−1.5 pts
08Kankakee County, ILIL105,52514.3%−1.0 pts
09Jackson County, ILIL52,50114.2%+1.3 pts
10Vermilion County, ILIL71,25913.8%+3.3 pts
11Champaign County, ILIL209,97213.7%+2.6 pts
12Winnebago County, ILIL283,67413.4%+3.0 pts
13Sangamon County, ILIL194,17013.1%+3.5 pts
14Will County, ILIL712,25311.4%+1.0 pts
15Rock Island County, ILIL141,86911.2%+3.7 pts
16Johnson County, ILIL13,36310.7%−3.5 pts
17Stephenson County, ILIL43,2209.8%+2.2 pts
18Madison County, ILIL263,1109.3%+2.0 pts
19Lawrence County, ILIL13,7909.1%+8.4 pts
20Knox County, ILIL47,7678.7%+2.5 pts
21DeKalb County, ILIL101,8358.7%+4.2 pts
22McLean County, ILIL171,4198.6%+2.5 pts
23Randolph County, ILIL29,9217.9%−1.3 pts
24Perry County, ILIL20,1607.9%−0.1 pts
25Jefferson County, ILIL36,1477.5%−0.2 pts
26Kendall County, ILIL145,4707.4%+6.1 pts
27Lake County, ILIL719,3396.6%−0.2 pts
28Bond County, ILIL16,9596.4%−0.9 pts
29Massac County, ILIL13,5026.2%+0.7 pts
30Morgan County, ILIL32,5156.0%+0.6 pts
31McDonough County, ILIL25,9165.5%+2.1 pts
32Cass County, ILIL12,4635.4%+5.1 pts
33Lee County, ILIL32,9145.4%+0.5 pts
34Logan County, ILIL27,1825.3%−1.2 pts
35Kane County, ILIL525,7575.1%−0.5 pts
36DuPage County, ILIL934,2984.7%+1.8 pts
37Coles County, ILIL46,6074.4%+2.1 pts
38Carroll County, ILIL15,4194.3%+3.8 pts
39Williamson County, ILIL67,2254.2%+1.7 pts
40Schuyler County, ILIL6,6574.1%+3.9 pts
41Marion County, ILIL36,3824.0%+0.2 pts
42Adams County, ILIL64,2673.7%+0.7 pts
43Fayette County, ILIL20,7903.6%−1.3 pts
44Warren County, ILIL16,2223.4%+1.8 pts
45Fulton County, ILIL32,9013.3%−0.3 pts
46Crawford County, ILIL18,6483.3%−1.2 pts
47Montgomery County, ILIL28,0763.2%−0.5 pts
48Clinton County, ILIL37,1283.1%−0.8 pts
49Livingston County, ILIL35,0573.0%−2.1 pts
50Saline County, ILIL22,7722.9%−1.1 pts
51LaSalle County, ILIL107,7732.3%+0.8 pts
52Boone County, ILIL53,5682.2%+1.3 pts
53Henry County, ILIL48,0952.1%+1.0 pts
54Grundy County, ILIL54,0521.6%+1.4 pts
55Whiteside County, ILIL54,1211.3%+0.4 pts
56McHenry County, ILIL317,7511.3%+0.8 pts
57Union County, ILIL16,6561.3%+0.5 pts
58Tazewell County, ILIL130,0491.2%+0.4 pts
59Christian County, ILIL33,4431.1%−1.0 pts
60Ogle County, ILIL51,3991.0%+0.6 pts
61Pope County, ILIL3,6721.0%−2.6 pts
62Macoupin County, ILIL43,7480.8%+0.0 pts
63Iroquois County, ILIL26,1500.8%+0.1 pts
64Bureau County, ILIL32,5100.8%+0.5 pts
65Marshall County, ILIL11,4730.7%+0.4 pts
66Jersey County, ILIL21,1600.7%+0.2 pts
67Woodford County, ILIL38,1110.7%+0.5 pts
68De Witt County, ILIL15,1180.7%+0.2 pts
69White County, ILIL13,2500.7%+0.4 pts
70Menard County, ILIL11,8630.7%+0.3 pts
71Washington County, ILIL13,5640.6%+0.3 pts
72Moultrie County, ILIL14,3710.6%+0.4 pts
73Wayne County, ILIL15,8820.6%+0.4 pts
74Ford County, ILIL13,2160.6%+0.3 pts
75Jo Daviess County, ILIL21,5940.5%+0.3 pts
76Gallatin County, ILIL4,6160.5%+0.3 pts
77Piatt County, ILIL16,7910.5%+0.3 pts
78Edgar County, ILIL16,3230.5%−1.4 pts
79Richland County, ILIL15,2190.5%+0.2 pts
80Wabash County, ILIL10,9070.5%+0.1 pts
81Putnam County, ILIL5,6190.5%−0.1 pts
82Henderson County, ILIL5,9840.5%+0.2 pts
83Hamilton County, ILIL7,8590.5%−0.2 pts
84Effingham County, ILIL34,5190.4%+0.3 pts
85Mercer County, ILIL15,2290.4%+0.2 pts
86Franklin County, ILIL36,9160.4%+0.3 pts
87Pike County, ILIL14,2310.4%−1.1 pts
88Hancock County, ILIL16,8030.4%+0.2 pts
89Mason County, ILIL12,4110.4%+0.3 pts
90Clark County, ILIL15,1140.3%+0.2 pts
91Douglas County, ILIL19,8800.3%+0.0 pts
92Monroe County, ILIL34,8400.3%+0.3 pts
93Stark County, ILIL5,3190.3%+0.3 pts
94Shelby County, ILIL20,5760.3%+0.2 pts
95Hardin County, ILIL3,5880.3%−2.4 pts
96Cumberland County, ILIL10,2080.3%+0.2 pts
97Edwards County, ILIL5,8980.3%+0.1 pts
98Jasper County, ILIL9,0320.2%+0.2 pts
99Clay County, ILIL12,7930.2%+0.1 pts
100Calhoun County, ILIL4,3000.2%+0.2 pts
101Greene County, ILIL11,3130.2%−0.6 pts
102Scott County, ILIL4,8660.1%+0.1 pts
SHOWING 1–102 OF 102

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS