RANKING · 2020 CENSUS · 35 SHOWN OF 35

Largest Thai population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Thai, 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 35 counties in Illinois that qualify, ranked against each other statewide.

Thai 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

RANKPLACESTATEPOPTHAI POPULATIONVS –

01Cook County, ILIL5,194,6255,726–

02DuPage County, ILIL934,298812–

03Will County, ILIL712,253482–

04Champaign County, ILIL209,972464–

05Kane County, ILIL525,757422–

06St. Clair County, ILIL250,708188–

07Winnebago County, ILIL283,674178–

08McHenry County, ILIL317,751162–

09Lake County, ILIL719,339146–

10McLean County, ILIL171,419100–

11Sangamon County, ILIL194,17096–

12Kendall County, ILIL145,47074–

13Rock Island County, ILIL141,86955–

14Boone County, ILIL53,56844–

15Richland County, ILIL15,21940–

16Macon County, ILIL99,30034–

17Bureau County, ILIL32,51028–

18Peoria County, ILIL178,55327–

19Ogle County, ILIL51,39922–

20Clinton County, ILIL37,12821–

21Morgan County, ILIL32,51520–

22Jackson County, ILIL52,50120–

23Madison County, ILIL263,11018–

24Washington County, ILIL13,56414–

25DeKalb County, ILIL101,83510–

26Jefferson County, ILIL36,1479–

27Kankakee County, ILIL105,5257–

28Wayne County, ILIL15,8826–

29Knox County, ILIL47,7674–

30Mercer County, ILIL15,2293–

31Shelby County, ILIL20,5763–

32Monroe County, ILIL34,8403–

33Johnson County, ILIL13,3632–

34Lawrence County, ILIL13,7901–

35Whiteside County, ILIL54,1211–

SHOWING 1–35 OF 35

Download CSV (full list, 35 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS