RANKING · 2024 ACS · 39 SHOWN OF 39

Largest Iranian population, Illinois counties

Illinois counties ranked by the number of residents who are Iranian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 39 counties in Illinois that qualify, ranked against each other statewide.

Iranian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRANIAN POPULATIONVS 2010

01Cook County, ILIL5,194,6257,763+46%

02DuPage County, ILIL934,2981,569+13%

03Lake County, ILIL719,3391,034+12%

04Champaign County, ILIL209,972508+62%

05Kane County, ILIL525,757396+141%

06Will County, ILIL712,253345−26%

07Peoria County, ILIL178,553147+71%

08Jackson County, ILIL52,501117−42%

09Coles County, ILIL46,60783+592%

10Madison County, ILIL263,11079+690%

11Franklin County, ILIL36,91671–

12Sangamon County, ILIL194,17058+66%

13Whiteside County, ILIL54,12148–

14McLean County, ILIL171,41946−4%

15Knox County, ILIL47,76732+433%

16DeKalb County, ILIL101,83527−88%

17Effingham County, ILIL34,51927−64%

18McHenry County, ILIL317,75125−62%

19Tazewell County, ILIL130,04925–

20Clinton County, ILIL37,12823−8%

21Lee County, ILIL32,91421–

22St. Clair County, ILIL250,70820–

23Winnebago County, ILIL283,67420−23%

24Rock Island County, ILIL141,86919−61%

25Henry County, ILIL48,09515–

26LaSalle County, ILIL107,77315+275%

27McDonough County, ILIL25,91615–

28Jo Daviess County, ILIL21,59412–

29Kankakee County, ILIL105,52512+20%

30Macon County, ILIL99,30012−70%

31Vermilion County, ILIL71,25912−56%

32Massac County, ILIL13,5029–

33Logan County, ILIL27,1827–

34Morgan County, ILIL32,5157−42%

35Adams County, ILIL64,2676–

36Iroquois County, ILIL26,1505–

37Saline County, ILIL22,7722−82%

38Washington County, ILIL13,5642–

39Kendall County, ILIL145,4701−96%

SHOWING 1–39 OF 39

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES