Ranking of Illinois Counties By Population with Cajun Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 448 people in Illinois with Cajun ancestry. Among all Illinois counties, Cook County had the highest population with Cajun ancestry (76), followed by DuPage County (71), and Winnebago County (63).

The chart and table below shows the top 10 counties with high number of people with Cajun 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 Cajun Ancestry in 2021
Cook County
DuPage County
Winnebago County
Kane County
Sangamon County
McLean County
Will County
Jo Daviess County
Iroquois County
Lake County
Ranking of Illinois Counties By Population with Cajun Ancestry in 2021
0 of 0
Rank County Population
1 Cook County 76
2 DuPage County 71
3 Winnebago County 63
4 Kane County 50
5 Sangamon County 48
6 McLean County 22
6 Will County 22
7 Jo Daviess County 20
8 Iroquois County 18
9 Lake County 14
10 Clinton County 13
11 McHenry County 9
11 Randolph County 9
12 Madison County 5
13 Logan County 3
13 Ogle County 3
14 Knox County 2