RANKING · 2024 ACS · 50 SHOWN OF 50

Highest Japanese population share, Illinois counties

Illinois counties ranked by the share of all residents who are Japanese (2024 American Community Survey). A concentration measure: Japanese residents as a percentage of total population. This list covers the 50 counties in Illinois that qualify, ranked against each other statewide. The median across all 50 is 0.0%. Biggest climber in the top 100 since 2020: Rock Island County, IL, up 34 places to #12.

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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 SHAREVS 2020

01▲33Warren County, ILIL16,2220.2%+0.2 pts

02▲1Cook County, ILIL5,194,6250.2%0.0 pts

03McDonough County, ILIL25,9160.2%–

04Jersey County, ILIL21,1600.2%–

05▼1Champaign County, ILIL209,9720.2%0.0 pts

06▼1Lake County, ILIL719,3390.2%0.0 pts

07▲5DuPage County, ILIL934,2980.1%0.0 pts

08▲14Jasper County, ILIL9,0320.1%+0.1 pts

09▲4Edgar County, ILIL16,3230.1%0.0 pts

10▲14St. Clair County, ILIL250,7080.1%0.0 pts

11▲19Sangamon County, ILIL194,1700.1%0.0 pts

12▲34Rock Island County, ILIL141,8690.1%+0.1 pts

13▼5Peoria County, ILIL178,5530.1%−0.1 pts

14▲13Douglas County, ILIL19,8800.1%0.0 pts

15▲1McLean County, ILIL171,4190.1%0.0 pts

16De Witt County, ILIL15,1180.1%–

17▲4Kane County, ILIL525,7570.1%0.0 pts

18▲5McHenry County, ILIL317,7510.1%0.0 pts

19▲21Ogle County, ILIL51,3990.1%0.0 pts

20Kendall County, ILIL145,4700.0%–

21▲18Tazewell County, ILIL130,0490.0%0.0 pts

22▲4Winnebago County, ILIL283,6740.0%0.0 pts

23▲13Alexander County, ILIL4,5700.0%0.0 pts

24Lee County, ILIL32,9140.0%–

25▲13Madison County, ILIL263,1100.0%0.0 pts

26Ford County, ILIL13,2160.0%–

27▼17Hancock County, ILIL16,8030.0%−0.1 pts

28▼17Randolph County, ILIL29,9210.0%−0.1 pts

29▼22Pope County, ILIL3,6720.0%−0.2 pts

30▲18Vermilion County, ILIL71,2590.0%0.0 pts

31▼6Macon County, ILIL99,3000.0%0.0 pts

32▲5Will County, ILIL712,2530.0%0.0 pts

33▼1DeKalb County, ILIL101,8350.0%0.0 pts

34▲13Iroquois County, ILIL26,1500.0%0.0 pts

35▼15Williamson County, ILIL67,2250.0%−0.1 pts

36Massac County, ILIL13,5020.0%–

37▲6Coles County, ILIL46,6070.0%0.0 pts

38Grundy County, ILIL54,0520.0%–

39▼22Carroll County, ILIL15,4190.0%−0.1 pts

40Jo Daviess County, ILIL21,5940.0%–

41Fulton County, ILIL32,9010.0%–

42▲14Adams County, ILIL64,2670.0%0.0 pts

43▼14Knox County, ILIL47,7670.0%0.0 pts

44▼25LaSalle County, ILIL107,7730.0%−0.1 pts

45▼1Henry County, ILIL48,0950.0%0.0 pts

46▲6Kankakee County, ILIL105,5250.0%0.0 pts

47▼5Jefferson County, ILIL36,1470.0%0.0 pts

48Marion County, ILIL36,3820.0%–

49Bureau County, ILIL32,5100.0%–

50▲5Clinton County, ILIL37,1280.0%0.0 pts

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