RANKING · 2024 ACS · 39 SHOWN OF 39

Highest Iranian population share, Illinois counties

Illinois counties ranked by the share of all residents who are Iranian ancestry (2024 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 39 counties in Illinois that qualify, ranked against each other statewide.

Iranian Americans: full group profile →

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

YEAR2010 2020 2024

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2010

01Champaign County, ILIL209,9720.2%+0.1 pts

02Jackson County, ILIL52,5010.2%−0.1 pts

03Franklin County, ILIL36,9160.2%–

04Coles County, ILIL46,6070.2%+0.2 pts

05DuPage County, ILIL934,2980.2%+0.0 pts

06Cook County, ILIL5,194,6250.1%+0.0 pts

07Lake County, ILIL719,3390.1%+0.0 pts

08Whiteside County, ILIL54,1210.1%–

09Peoria County, ILIL178,5530.1%+0.0 pts

10Effingham County, ILIL34,5190.1%−0.1 pts

11Kane County, ILIL525,7570.1%+0.0 pts

12Knox County, ILIL47,7670.1%+0.1 pts

13Massac County, ILIL13,5020.1%–

14Clinton County, ILIL37,1280.1%−0.0 pts

15Lee County, ILIL32,9140.1%–

16McDonough County, ILIL25,9160.1%–

17Jo Daviess County, ILIL21,5940.1%–

18Will County, ILIL712,2530.0%−0.0 pts

19Henry County, ILIL48,0950.0%–

20Madison County, ILIL263,1100.0%+0.0 pts

21Sangamon County, ILIL194,1700.0%+0.0 pts

22McLean County, ILIL171,4190.0%−0.0 pts

23DeKalb County, ILIL101,8350.0%−0.2 pts

24Logan County, ILIL27,1820.0%–

25Morgan County, ILIL32,5150.0%−0.0 pts

26Tazewell County, ILIL130,0490.0%–

27Iroquois County, ILIL26,1500.0%–

28Vermilion County, ILIL71,2590.0%−0.0 pts

29Washington County, ILIL13,5640.0%–

30LaSalle County, ILIL107,7730.0%+0.0 pts

31Rock Island County, ILIL141,8690.0%−0.0 pts

32Macon County, ILIL99,3000.0%−0.0 pts

33Kankakee County, ILIL105,5250.0%+0.0 pts

34Adams County, ILIL64,2670.0%–

35Saline County, ILIL22,7720.0%−0.0 pts

36McHenry County, ILIL317,7510.0%−0.0 pts

37St. Clair County, ILIL250,7080.0%–

38Winnebago County, ILIL283,6740.0%−0.0 pts

39Kendall County, ILIL145,4700.0%−0.0 pts

SHOWING 1–39 OF 39

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES