Ranking of Illinois Counties By Percentage of Population with Iranian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 11.18K people in Illinois with Iranian ancestry (0.09% of Illinois population). Among all Illinois counties, Champaign County had the highest percentage of its population with Iranian ancestry (0.23%), followed by DuPage County (0.19%), and Lake County (0.15%).

The chart and table below shows the top 10 counties with high percentage of its population having Iranian 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 Iranian Ancestry in 2021
Champaign County
DuPage County
Lake County
Richland County
Edwards County
Cook County
Jackson County
Kane County
Washington County
Wayne County
Ranking of Illinois Counties By Percentage of Population with Iranian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Champaign County 0.23
2 DuPage County 0.19
3 Lake County 0.15
4 Richland County 0.14
5 Edwards County 0.13
6 Cook County 0.12
7 Jackson County 0.11
8 Kane County 0.07
8 Washington County 0.07
8 Wayne County 0.07
8 Whiteside County 0.07
9 Clinton County 0.06
9 McDonough County 0.06
9 Will County 0.06
10 Kendall County 0.04
10 Massac County 0.04
11 Henry County 0.03
11 Knox County 0.03
11 Montgomery County 0.03
11 Peoria County 0.03
11 Rock Island County 0.03
11 St. Clair County 0.03
12 Adams County 0.02
12 Crawford County 0.02
12 Effingham County 0.02
12 McLean County 0.02
12 Madison County 0.02
12 Morgan County 0.02
12 Stephenson County 0.02
12 Williamson County 0.02
12 Winnebago County 0.02
13 DeKalb County 0.01
13 Jersey County 0.01
13 LaSalle County 0.01
13 McHenry County 0.01
13 Sangamon County 0.01
13 Tazewell County 0.01