RANKING · 2024 ACS · 38 SHOWN OF 38

Largest Brazilian population, Illinois counties

Illinois counties ranked by the number of residents who are Brazilian ancestry, 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 38 counties in Illinois that qualify, ranked against each other statewide.

Brazilian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPBRAZILIAN POPULATIONVS 2010

01Cook County, ILIL5,194,6254,111+57%

02Lake County, ILIL719,339840+191%

03DuPage County, ILIL934,298477−54%

04Champaign County, ILIL209,972298−13%

05Will County, ILIL712,253279−4%

06Kane County, ILIL525,757135−48%

07Winnebago County, ILIL283,674126+271%

08McHenry County, ILIL317,751117−47%

09Coles County, ILIL46,60782–

10St. Clair County, ILIL250,70861+307%

11Kankakee County, ILIL105,52556+124%

12Sangamon County, ILIL194,17046+142%

13Clark County, ILIL15,11434–

14Adams County, ILIL64,26733+560%

15Menard County, ILIL11,86329–

16Johnson County, ILIL13,36328+75%

17Fulton County, ILIL32,90126–

18Macon County, ILIL99,30026+136%

19Rock Island County, ILIL141,86925−31%

20Knox County, ILIL47,76724–

21McLean County, ILIL171,41923+77%

22Ogle County, ILIL51,39922–

23LaSalle County, ILIL107,77321+11%

24De Witt County, ILIL15,11819–

25Peoria County, ILIL178,55316−89%

26Henry County, ILIL48,09512–

27Monroe County, ILIL34,84011–

28Kendall County, ILIL145,47010+11%

29McDonough County, ILIL25,9169–

30Jackson County, ILIL52,5018–

31DeKalb County, ILIL101,8357–

32Douglas County, ILIL19,8807–

33Tazewell County, ILIL130,0496–

34Bureau County, ILIL32,5104–

35Livingston County, ILIL35,0573–

36Calhoun County, ILIL4,3002−60%

37White County, ILIL13,2501–

38Williamson County, ILIL67,2251–

SHOWING 1–38 OF 38

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