RANKING · 2024 ACS · 38 SHOWN OF 38

Highest Brazilian population share, Illinois counties

Illinois counties ranked by the share of all residents who are Brazilian ancestry (2024 American Community Survey). A concentration measure: Brazilian residents as a percentage of total population. This list covers the 38 counties in Illinois that qualify, ranked against each other statewide.

Brazilian Americans: full group profile →

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

YEAR2010 2020 2024

Highest Brazilian population share by state

RANKPLACESTATEPOPBRAZILIAN SHAREVS 2010

01Menard County, ILIL11,8630.2%–

02Clark County, ILIL15,1140.2%–

03Johnson County, ILIL13,3630.2%+66%

04Coles County, ILIL46,6070.2%–

05Champaign County, ILIL209,9720.1%−17%

06De Witt County, ILIL15,1180.1%–

07Lake County, ILIL719,3390.1%+184%

08Cook County, ILIL5,194,6250.1%+57%

09Fulton County, ILIL32,9010.1%–

10Kankakee County, ILIL105,5250.1%+135%

11DuPage County, ILIL934,2980.1%−55%

12Adams County, ILIL64,2670.1%+583%

13Knox County, ILIL47,7670.0%–

14Calhoun County, ILIL4,3000.0%−53%

15Winnebago County, ILIL283,6740.0%+285%

16Ogle County, ILIL51,3990.0%–

17Will County, ILIL712,2530.0%−9%

18McHenry County, ILIL317,7510.0%−48%

19Douglas County, ILIL19,8800.0%–

20McDonough County, ILIL25,9160.0%–

21Monroe County, ILIL34,8400.0%–

22Kane County, ILIL525,7570.0%−50%

23Macon County, ILIL99,3000.0%+157%

24Henry County, ILIL48,0950.0%–

25St. Clair County, ILIL250,7080.0%+328%

26Sangamon County, ILIL194,1700.0%+143%

27LaSalle County, ILIL107,7730.0%+16%

28Rock Island County, ILIL141,8690.0%−28%

29Jackson County, ILIL52,5010.0%–

30McLean County, ILIL171,4190.0%+72%

31Bureau County, ILIL32,5100.0%–

32Peoria County, ILIL178,5530.0%−89%

33Livingston County, ILIL35,0570.0%–

34White County, ILIL13,2500.0%–

35Kendall County, ILIL145,4700.0%−15%

36DeKalb County, ILIL101,8350.0%–

37Tazewell County, ILIL130,0490.0%–

38Williamson County, ILIL67,2250.0%–

SHOWING 1–38 OF 38

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UPDATED 2026-07-05 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES