RANKING · 2024 ACS · 63 SHOWN OF 63

Largest Korean population, Illinois counties

Illinois counties ranked by the number of residents who are Korean, 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 63 counties in Illinois that qualify, ranked against each other statewide. The median across all 63 is 52. Biggest climber in the top 100 since 2020: Marion County, IL, up 31 places to #26.

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPKOREAN POPULATIONVS 2020

01Cook County, ILIL5,194,62536,892+4%

02Lake County, ILIL719,3396,204−7%

03DuPage County, ILIL934,2984,437−4%

04Champaign County, ILIL209,9722,8510%

05Will County, ILIL712,2531,6480%

06▲1McHenry County, ILIL317,7511,045+72%

07▼1Kane County, ILIL525,757983−19%

08▲1St. Clair County, ILIL250,708599+51%

09▲4Madison County, ILIL263,110430+47%

10▲1McLean County, ILIL171,419397+28%

11▼1Winnebago County, ILIL283,674396+23%

12▼4Peoria County, ILIL178,553356−11%

13▲3Sangamon County, ILIL194,170287+26%

14Jackson County, ILIL52,501273−1%

15▲2Tazewell County, ILIL130,049224+19%

16▲2Kendall County, ILIL145,470221+21%

17▲13Macon County, ILIL99,300184+241%

18▼3DeKalb County, ILIL101,835172−33%

19▲9Kankakee County, ILIL105,525126+117%

20▲4Wabash County, ILIL10,907119+72%

21▲20Morgan County, ILIL32,51590+275%

22▲22Coles County, ILIL46,60777+353%

23▼1Macoupin County, ILIL43,74876+7%

24▼12Rock Island County, ILIL141,86973−76%

25▼4Jefferson County, ILIL36,14771−5%

26▲31Marion County, ILIL36,38265+829%

27Perry County, ILIL20,16061–

28▲6Henry County, ILIL48,09558+45%

29▼2Boone County, ILIL53,56857−5%

30▲13Vermilion County, ILIL71,25956+167%

31▲27Williamson County, ILIL67,22555+817%

32▼7Clinton County, ILIL37,12852−22%

33▼4Monroe County, ILIL34,84052−5%

34▼8Ogle County, ILIL51,39949−27%

35▲25Carroll County, ILIL15,41948+1100%

36▲4Christian County, ILIL33,44344+83%

37Livingston County, ILIL35,05744–

38▼19McDonough County, ILIL25,91640−67%

39▼16Adams County, ILIL64,26739−44%

40▲5Saline County, ILIL22,77237+131%

41▼5Lee County, ILIL32,91433+10%

42▼3Stephenson County, ILIL43,22029+12%

43Mercer County, ILIL15,22927–

44▼11Woodford County, ILIL38,11126−37%

45▼7LaSalle County, ILIL107,77321−22%

46Jersey County, ILIL21,16020+25%

47▼27Washington County, ILIL13,56418−77%

48▼1Iroquois County, ILIL26,150130%

49▲14Shelby County, ILIL20,57612+1100%

50Putnam County, ILIL5,6199–

51White County, ILIL13,2509–

52Cass County, ILIL12,4638–

53Piatt County, ILIL16,7918–

54▼3Edwards County, ILIL5,8986−33%

55▲6Logan County, ILIL27,1826+50%

56▲3Whiteside County, ILIL54,12150%

57Marshall County, ILIL11,4734–

58▼10Knox County, ILIL47,7673−77%

59▼6Douglas County, ILIL19,8802−75%

60▼4Hancock County, ILIL16,8032−71%

61De Witt County, ILIL15,1181–

62Jo Daviess County, ILIL21,5941–

63▼13Montgomery County, ILIL28,0761−90%

SHOWING 1–63 OF 63

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES