Ranking of Illinois Counties By Percentage of Population with French Canadian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 31.70K people in Illinois with French Canadian ancestry (0.25% of Illinois population). Among all Illinois counties, Iroquois County had the highest percentage of its population with French Canadian ancestry (1.89%), followed by Kankakee County (1.38%), and Edgar County (0.74%).

The chart and table below shows the top 10 counties with high percentage of its population having French Canadian 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 Percentage of Population with French Canadian Ancestry in 2021
Iroquois County
Kankakee County
Edgar County
Lee County
Brown County
Carroll County
DeKalb County
Johnson County
Lawrence County
Hamilton County
Ranking of Illinois Counties By Percentage of Population with French Canadian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Iroquois County 1.89
2 Kankakee County 1.38
3 Edgar County 0.74
4 Lee County 0.60
5 Brown County 0.49
6 Carroll County 0.48
6 DeKalb County 0.48
6 Johnson County 0.48
6 Lawrence County 0.48
7 Hamilton County 0.47
8 Mason County 0.46
9 McHenry County 0.43
10 Bureau County 0.41
11 Coles County 0.39
12 Adams County 0.38
12 Lake County 0.38
13 Monroe County 0.35
14 Champaign County 0.34
14 Kane County 0.34
15 DuPage County 0.32
16 Fulton County 0.29
16 Henry County 0.29
16 Madison County 0.29
16 Schuyler County 0.29
16 Winnebago County 0.29
17 Clark County 0.28
17 McLean County 0.28
17 Will County 0.28
18 McDonough County 0.27
19 Clinton County 0.26
20 Sangamon County 0.25
21 Boone County 0.24
21 Franklin County 0.24
21 Grundy County 0.24
22 LaSalle County 0.23
22 St. Clair County 0.23
23 Hardin County 0.22
23 Massac County 0.22
23 Tazewell County 0.22
24 Ford County 0.20
24 Jersey County 0.20
25 Mercer County 0.19
25 Stephenson County 0.19
25 Warren County 0.19
26 Cook County 0.18
26 Randolph County 0.18
27 Crawford County 0.17
27 Jo Daviess County 0.17
27 Kendall County 0.17
27 Rock Island County 0.17
28 Ogle County 0.16
28 Piatt County 0.16
29 Jefferson County 0.15
29 Saline County 0.15
29 Whiteside County 0.15
30 Fayette County 0.14
30 Jackson County 0.14
30 Peoria County 0.14
31 Knox County 0.12
31 Livingston County 0.12
31 Vermilion County 0.12
32 Moultrie County 0.11
33 Edwards County 0.10
33 Effingham County 0.10
33 Macon County 0.10
33 Macoupin County 0.10
34 Christian County 0.09
35 Gallatin County 0.08
35 Logan County 0.08
35 Montgomery County 0.08
36 Douglas County 0.07
36 Pike County 0.07
36 Stark County 0.07
37 Cass County 0.06
37 Shelby County 0.06
37 White County 0.06
37 Williamson County 0.06
37 Woodford County 0.06
38 Hancock County 0.05
38 Henderson County 0.05
38 Perry County 0.05
38 Wayne County 0.05
39 Alexander County 0.04
39 Washington County 0.04
40 Cumberland County 0.03
40 Marion County 0.03
40 Wabash County 0.03
41 Marshall County 0.02
41 Menard County 0.02
41 Morgan County 0.02
42 Bond County 0.01
42 Clay County 0.01
42 Richland County 0.01