RANKING · 2020 CENSUS · 63 SHOWN OF 63

Highest Korean population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Korean (2020 American Community Survey). A concentration measure: Korean residents as a percentage of total population. This list covers the 63 counties in Illinois that qualify, ranked against each other statewide. The median across all 63 is 0.1%.

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 SHAREVS –

01Champaign County, ILIL209,9721.4%–

02Calhoun County, ILIL4,3001.0%–

03Lake County, ILIL719,3391.0%–

04Cook County, ILIL5,194,6250.7%–

05Wabash County, ILIL10,9070.6%–

06Washington County, ILIL13,5640.6%–

07DuPage County, ILIL934,2980.5%–

08Jackson County, ILIL52,5010.5%–

09McDonough County, ILIL25,9160.4%–

10DeKalb County, ILIL101,8350.2%–

11Will County, ILIL712,2530.2%–

12Kane County, ILIL525,7570.2%–

13Peoria County, ILIL178,5530.2%–

14Rock Island County, ILIL141,8690.2%–

15Jefferson County, ILIL36,1470.2%–

16McHenry County, ILIL317,7510.2%–

17McLean County, ILIL171,4190.2%–

18Clinton County, ILIL37,1280.2%–

19Monroe County, ILIL34,8400.2%–

20Randolph County, ILIL29,9210.2%–

21Macoupin County, ILIL43,7480.2%–

22St. Clair County, ILIL250,7080.2%–

23Massac County, ILIL13,5020.1%–

24Kendall County, ILIL145,4700.1%–

25Tazewell County, ILIL130,0490.1%–

26Edwards County, ILIL5,8980.1%–

27Ogle County, ILIL51,3990.1%–

28Sangamon County, ILIL194,1700.1%–

29Winnebago County, ILIL283,6740.1%–

30Boone County, ILIL53,5680.1%–

31Madison County, ILIL263,1100.1%–

32Adams County, ILIL64,2670.1%–

33Woodford County, ILIL38,1110.1%–

34Bureau County, ILIL32,5100.1%–

35Lee County, ILIL32,9140.1%–

36Henry County, ILIL48,0950.1%–

37Warren County, ILIL16,2220.1%–

38Jersey County, ILIL21,1600.1%–

39Christian County, ILIL33,4430.1%–

40Morgan County, ILIL32,5150.1%–

41Saline County, ILIL22,7720.1%–

42Grundy County, ILIL54,0520.1%–

43Stephenson County, ILIL43,2200.1%–

44Union County, ILIL16,6560.1%–

45Kankakee County, ILIL105,5250.1%–

46Macon County, ILIL99,3000.1%–

47Iroquois County, ILIL26,1500.0%–

48Douglas County, ILIL19,8800.0%–

49Edgar County, ILIL16,3230.0%–

50Hancock County, ILIL16,8030.0%–

51Montgomery County, ILIL28,0760.0%–

52Coles County, ILIL46,6070.0%–

53Carroll County, ILIL15,4190.0%–

54Vermilion County, ILIL71,2590.0%–

55Knox County, ILIL47,7670.0%–

56LaSalle County, ILIL107,7730.0%–

57Franklin County, ILIL36,9160.0%–

58Moultrie County, ILIL14,3710.0%–

59Marion County, ILIL36,3820.0%–

60Logan County, ILIL27,1820.0%–

61Whiteside County, ILIL54,1210.0%–

62Williamson County, ILIL67,2250.0%–

63Shelby County, ILIL20,5760.0%–

SHOWING 1–63 OF 63

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