Ranking of Illinois Counties By Population with South African Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.37K people in Illinois with South African ancestry. Among all Illinois counties, Cook County had the highest population with South African ancestry (1.24K), followed by Winnebago County (266), and Lake County (244).

The chart and table below shows the top 10 counties with high number of people with South African ancestry.

You can see similar information for other states and for other ancestry groups in Illinois.

Data Source: US Census Bureau.
Ranking of Illinois Counties By Population with South African Ancestry in 2021
Cook County
Winnebago County
Lake County
Champaign County
DuPage County
Madison County
Will County
St. Clair County
McHenry County
Kane County
Ranking of Illinois Counties By Population with South African Ancestry in 2021
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Rank County Population
1 Cook County 1235
2 Winnebago County 266
3 Lake County 244
4 Champaign County 162
5 DuPage County 114
6 Madison County 90
7 Will County 88
8 St. Clair County 35
9 McHenry County 33
10 Kane County 27
11 McLean County 14
11 Richland County 14
11 Whiteside County 14
12 Peoria County 10
13 Sangamon County 8
14 Stephenson County 5
15 DeKalb County 4
15 Hancock County 4
16 Marshall County 2