RANKING · 2020 CENSUS · 56 SHOWN OF 56

Largest Japanese population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Japanese, 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 56 counties in Illinois that qualify, ranked against each other statewide. The median across all 56 is 19.

Japanese Americans: full group profile →

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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

RANKPLACESTATEPOPJAPANESE POPULATIONVS –

01Cook County, ILIL5,194,62512,297–

02Lake County, ILIL719,3391,452–

03DuPage County, ILIL934,2981,417–

04Champaign County, ILIL209,972465–

05Kane County, ILIL525,757404–

06Peoria County, ILIL178,553336–

07Will County, ILIL712,253221–

08McHenry County, ILIL317,751218–

09McLean County, ILIL171,419193–

10St. Clair County, ILIL250,708163–

11Winnebago County, ILIL283,674162–

12Jackson County, ILIL52,501139–

13Sangamon County, ILIL194,170109–

14LaSalle County, ILIL107,77397–

15Madison County, ILIL263,11081–

16Macon County, ILIL99,30064–

17Williamson County, ILIL67,22553–

18Randolph County, ILIL29,92150–

19DeKalb County, ILIL101,83544–

20Richland County, ILIL15,21940–

21Tazewell County, ILIL130,04940–

22Hancock County, ILIL16,80328–

23Knox County, ILIL47,76728–

24Edgar County, ILIL16,32325–

25Stephenson County, ILIL43,22025–

26Rock Island County, ILIL141,86922–

27Franklin County, ILIL36,91620–

28Union County, ILIL16,65619–

29Menard County, ILIL11,86317–

30Mercer County, ILIL15,22917–

31Carroll County, ILIL15,41916–

32Ogle County, ILIL51,39915–

33Coles County, ILIL46,60712–

34Douglas County, ILIL19,88011–

35Putnam County, ILIL5,61911–

36Jefferson County, ILIL36,14710–

37Vermilion County, ILIL71,25910–

38Henry County, ILIL48,0959–

39Pope County, ILIL3,6728–

40Scott County, ILIL4,8668–

41Jasper County, ILIL9,0327–

42Whiteside County, ILIL54,1217–

43Kankakee County, ILIL105,5256–

44Morgan County, ILIL32,5156–

45Perry County, ILIL20,1606–

46Warren County, ILIL16,2226–

47Johnson County, ILIL13,3635–

48Iroquois County, ILIL26,1504–

49Marshall County, ILIL11,4734–

50Christian County, ILIL33,4433–

51Alexander County, ILIL4,5702–

52Macoupin County, ILIL43,7482–

53Piatt County, ILIL16,7912–

54Clinton County, ILIL37,1281–

55Adams County, ILIL64,2671–

56Livingston County, ILIL35,0571–

SHOWING 1–56 OF 56

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