RANKING · 2020 CENSUS · 63 SHOWN OF 63

Largest Korean population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Korean, from the 2020 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 50.

Korean Americans: full group profile →

IllinoisAll states All rankings

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 –

01Cook County, ILIL5,194,62535,311–

02Lake County, ILIL719,3396,654–

03DuPage County, ILIL934,2984,615–

04Champaign County, ILIL209,9722,838–

05Will County, ILIL712,2531,651–

06Kane County, ILIL525,7571,210–

07McHenry County, ILIL317,751609–

08Peoria County, ILIL178,553401–

09St. Clair County, ILIL250,708398–

10Winnebago County, ILIL283,674323–

11McLean County, ILIL171,419311–

12Rock Island County, ILIL141,869309–

13Madison County, ILIL263,110292–

14Jackson County, ILIL52,501275–

15DeKalb County, ILIL101,835256–

16Sangamon County, ILIL194,170227–

17Tazewell County, ILIL130,049188–

18Kendall County, ILIL145,470183–

19McDonough County, ILIL25,916121–

20Washington County, ILIL13,56478–

21Jefferson County, ILIL36,14775–

22Macoupin County, ILIL43,74871–

23Adams County, ILIL64,26770–

24Wabash County, ILIL10,90769–

25Clinton County, ILIL37,12867–

26Ogle County, ILIL51,39967–

27Boone County, ILIL53,56860–

28Kankakee County, ILIL105,52558–

29Monroe County, ILIL34,84055–

30Macon County, ILIL99,30054–

31Randolph County, ILIL29,92151–

32Calhoun County, ILIL4,30050–

33Woodford County, ILIL38,11141–

34Henry County, ILIL48,09540–

35Grundy County, ILIL54,05231–

36Lee County, ILIL32,91430–

37Bureau County, ILIL32,51029–

38LaSalle County, ILIL107,77327–

39Stephenson County, ILIL43,22026–

40Christian County, ILIL33,44324–

41Morgan County, ILIL32,51524–

42Massac County, ILIL13,50221–

43Vermilion County, ILIL71,25921–

44Coles County, ILIL46,60717–

45Saline County, ILIL22,77216–

46Jersey County, ILIL21,16016–

47Iroquois County, ILIL26,15013–

48Knox County, ILIL47,76713–

49Warren County, ILIL16,22213–

50Montgomery County, ILIL28,07610–

51Edwards County, ILIL5,8989–

52Union County, ILIL16,6569–

53Douglas County, ILIL19,8808–

54Franklin County, ILIL36,9168–

55Edgar County, ILIL16,3237–

56Hancock County, ILIL16,8037–

57Marion County, ILIL36,3827–

58Williamson County, ILIL67,2256–

59Whiteside County, ILIL54,1215–

60Carroll County, ILIL15,4194–

61Logan County, ILIL27,1824–

62Moultrie County, ILIL14,3713–

63Shelby County, ILIL20,5761–

SHOWING 1–63 OF 63

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