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. The median across all 50 is 15. Biggest climber in the top 100 since 2020: Warren County, IL, up 27 places to #19.

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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%

02▲1DuPage County, ILIL934,2981,346−5%

03▼1Lake County, ILIL719,3391,275−12%

04Champaign County, ILIL209,972380−18%

05Kane County, ILIL525,757322−20%

06▲4St. Clair County, ILIL250,708239+47%

07▲1McHenry County, ILIL317,751189−13%

08▼1Will County, ILIL712,253172−22%

09▲4Sangamon County, ILIL194,170152+39%

10▼4Peoria County, ILIL178,553132−61%

11▼2McLean County, ILIL171,419118−39%

12▼1Winnebago County, ILIL283,674117−28%

13▲13Rock Island County, ILIL141,869109+395%

14▲1Madison County, ILIL263,11099+22%

15Kendall County, ILIL145,47062–

16▲5Tazewell County, ILIL130,04956+40%

17McDonough County, ILIL25,91653–

18Jersey County, ILIL21,16040–

19▲27Warren County, ILIL16,22237+517%

20▲12Ogle County, ILIL51,39926+73%

21▼5Macon County, ILIL99,30025−61%

22▼3DeKalb County, ILIL101,83524−45%

23▲1Edgar County, ILIL16,32320−20%

24▲13Vermilion County, ILIL71,25919+90%

25▼8Williamson County, ILIL67,22515−72%

26▲8Douglas County, ILIL19,88014+27%

27Lee County, ILIL32,91413–

28▲13Jasper County, ILIL9,03212+71%

29Grundy County, ILIL54,05211–

30▲3Coles County, ILIL46,60710−17%

31De Witt County, ILIL15,11810–

32▼14Randolph County, ILIL29,92110−80%

33▼19LaSalle County, ILIL107,7739−91%

34▲9Kankakee County, ILIL105,5258+33%

35▲20Adams County, ILIL64,2677+600%

36▼14Hancock County, ILIL16,8036−79%

37▲11Iroquois County, ILIL26,1506+50%

38Ford County, ILIL13,2165–

39▼16Knox County, ILIL47,7675−82%

40Fulton County, ILIL32,9014–

41▼3Henry County, ILIL48,0954−56%

42Jo Daviess County, ILIL21,5944–

43▼12Carroll County, ILIL15,4193−81%

44Massac County, ILIL13,5023–

45▲6Alexander County, ILIL4,57020%

46▼10Jefferson County, ILIL36,1472−80%

47Marion County, ILIL36,3822–

48▲6Clinton County, ILIL37,12810%

49Bureau County, ILIL32,5101–

50▼11Pope County, ILIL3,6721−88%

SHOWING 1–50 OF 50

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