RANKING · 2024 ACS · 50 SHOWN OF 50

Largest Japanese population, Illinois counties

Illinois counties ranked by the number of residents who are Japanese, 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 50 counties in Illinois that qualify, ranked against each other statewide.

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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 2020

01Cook County, ILIL5,194,62511,261−8%

02DuPage County, ILIL934,2981,346−5%

03Lake County, ILIL719,3391,275−12%

04Champaign County, ILIL209,972380−18%

05Kane County, ILIL525,757322−20%

06St. Clair County, ILIL250,708239+47%

07McHenry County, ILIL317,751189−13%

08Will County, ILIL712,253172−22%

09Sangamon County, ILIL194,170152+39%

10Peoria County, ILIL178,553132−61%

11McLean County, ILIL171,419118−39%

12Winnebago County, ILIL283,674117−28%

13Rock Island County, ILIL141,869109+395%

14Madison County, ILIL263,11099+22%

15Kendall County, ILIL145,47062–

16Tazewell County, ILIL130,04956+40%

17McDonough County, ILIL25,91653–

18Jersey County, ILIL21,16040–

19Warren County, ILIL16,22237+517%

20Ogle County, ILIL51,39926+73%

21Macon County, ILIL99,30025−61%

22DeKalb County, ILIL101,83524−45%

23Edgar County, ILIL16,32320−20%

24Vermilion County, ILIL71,25919+90%

25Williamson County, ILIL67,22515−72%

26Douglas County, ILIL19,88014+27%

27Lee County, ILIL32,91413–

28Jasper County, ILIL9,03212+71%

29Grundy County, ILIL54,05211–

30Coles County, ILIL46,60710−17%

31De Witt County, ILIL15,11810–

32Randolph County, ILIL29,92110−80%

33LaSalle County, ILIL107,7739−91%

34Kankakee County, ILIL105,5258+33%

35Adams County, ILIL64,2677+600%

36Hancock County, ILIL16,8036−79%

37Iroquois County, ILIL26,1506+50%

38Ford County, ILIL13,2165–

39Knox County, ILIL47,7675−82%

40Fulton County, ILIL32,9014–

41Henry County, ILIL48,0954−56%

42Jo Daviess County, ILIL21,5944–

43Carroll County, ILIL15,4193−81%

44Massac County, ILIL13,5023–

45Alexander County, ILIL4,5702+0%

46Jefferson County, ILIL36,1472−80%

47Marion County, ILIL36,3822–

48Clinton County, ILIL37,1281+0%

49Bureau County, ILIL32,5101–

50Pope County, ILIL3,6721−88%

SHOWING 1–50 OF 50

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES