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%+0.1 pts

04Coles County, ILIL46,6070.2%–

05Champaign County, ILIL209,9720.1%−0.0 pts

06De Witt County, ILIL15,1180.1%–

07Lake County, ILIL719,3390.1%+0.1 pts

08Cook County, ILIL5,194,6250.1%+0.0 pts

09Fulton County, ILIL32,9010.1%–

10Kankakee County, ILIL105,5250.1%+0.0 pts

11DuPage County, ILIL934,2980.1%−0.1 pts

12Adams County, ILIL64,2670.1%+0.0 pts

13Knox County, ILIL47,7670.0%–

14Calhoun County, ILIL4,3000.0%−0.1 pts

15Winnebago County, ILIL283,6740.0%+0.0 pts

16Ogle County, ILIL51,3990.0%–

17Will County, ILIL712,2530.0%−0.0 pts

18McHenry County, ILIL317,7510.0%−0.0 pts

19Douglas County, ILIL19,8800.0%–

20McDonough County, ILIL25,9160.0%–

21Monroe County, ILIL34,8400.0%–

22Kane County, ILIL525,7570.0%−0.0 pts

23Macon County, ILIL99,3000.0%+0.0 pts

24Henry County, ILIL48,0950.0%–

25St. Clair County, ILIL250,7080.0%+0.0 pts

26Sangamon County, ILIL194,1700.0%+0.0 pts

27LaSalle County, ILIL107,7730.0%+0.0 pts

28Rock Island County, ILIL141,8690.0%−0.0 pts

29Jackson County, ILIL52,5010.0%–

30McLean County, ILIL171,4190.0%+0.0 pts

31Bureau County, ILIL32,5100.0%–

32Peoria County, ILIL178,5530.0%−0.1 pts

33Livingston County, ILIL35,0570.0%–

34White County, ILIL13,2500.0%–

35Kendall County, ILIL145,4700.0%−0.0 pts

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 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES