RANKING · 2010 CENSUS · 33 SHOWN OF 33

Highest Iranian population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Iranian ancestry (2010 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 33 counties in Illinois that qualify, ranked against each other statewide. The median across all 33 is 0.0%.

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 –

01Jackson County, ILIL52,5010.3%–

02Henderson County, ILIL5,9840.2%–

03Douglas County, ILIL19,8800.2%–

04DeKalb County, ILIL101,8350.2%–

05Effingham County, ILIL34,5190.2%–

06Champaign County, ILIL209,9720.2%–

07DuPage County, ILIL934,2980.2%–

08Lake County, ILIL719,3390.1%–

09Boone County, ILIL53,5680.1%–

10Cook County, ILIL5,194,6250.1%–

11Will County, ILIL712,2530.1%–

12Clinton County, ILIL37,1280.1%–

13Peoria County, ILIL178,5530.0%–

14Saline County, ILIL22,7720.0%–

15Fulton County, ILIL32,9010.0%–

16Macon County, ILIL99,3000.0%–

17Morgan County, ILIL32,5150.0%–

18Rock Island County, ILIL141,8690.0%–

19Vermilion County, ILIL71,2590.0%–

20Kane County, ILIL525,7570.0%–

21Edwards County, ILIL5,8980.0%–

22McLean County, ILIL171,4190.0%–

23Kendall County, ILIL145,4700.0%–

24Coles County, ILIL46,6070.0%–

25Monroe County, ILIL34,8400.0%–

26McHenry County, ILIL317,7510.0%–

27Sangamon County, ILIL194,1700.0%–

28Knox County, ILIL47,7670.0%–

29Kankakee County, ILIL105,5250.0%–

30Winnebago County, ILIL283,6740.0%–

31Johnson County, ILIL13,3630.0%–

32Madison County, ILIL263,1100.0%–

33LaSalle County, ILIL107,7730.0%–

SHOWING 1–33 OF 33

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS