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. The median across all 38 is 0.0%. Biggest climber in the top 100 since 2020: Fulton County, IL, up 11 places to #9.

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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

01▲2Menard County, ILIL11,8630.2%–

02Clark County, ILIL15,1140.2%–

03Johnson County, ILIL13,3630.2%+0.1 pts

04Coles County, ILIL46,6070.2%–

05▼1Champaign County, ILIL209,9720.1%0.0 pts

06De Witt County, ILIL15,1180.1%–

07▼1Lake County, ILIL719,3390.1%+0.1 pts

08▼1Cook County, ILIL5,194,6250.1%0.0 pts

09▲11Fulton County, ILIL32,9010.1%–

10Kankakee County, ILIL105,5250.1%0.0 pts

11▲6DuPage County, ILIL934,2980.1%−0.1 pts

12▲11Adams County, ILIL64,2670.1%0.0 pts

13Knox County, ILIL47,7670.0%–

14▲5Calhoun County, ILIL4,3000.0%−0.1 pts

15▲3Winnebago County, ILIL283,6740.0%0.0 pts

16Ogle County, ILIL51,3990.0%–

17▲4Will County, ILIL712,2530.0%0.0 pts

18▼8McHenry County, ILIL317,7510.0%0.0 pts

19Douglas County, ILIL19,8800.0%–

20▲5McDonough County, ILIL25,9160.0%–

21Monroe County, ILIL34,8400.0%–

22▼17Kane County, ILIL525,7570.0%0.0 pts

23▲7Macon County, ILIL99,3000.0%0.0 pts

24Henry County, ILIL48,0950.0%–

25▲6St. Clair County, ILIL250,7080.0%0.0 pts

26Sangamon County, ILIL194,1700.0%0.0 pts

27▲5LaSalle County, ILIL107,7730.0%0.0 pts

28▼1Rock Island County, ILIL141,8690.0%0.0 pts

29▼17Jackson County, ILIL52,5010.0%–

30▼21McLean County, ILIL171,4190.0%0.0 pts

31▼16Bureau County, ILIL32,5100.0%–

32▼21Peoria County, ILIL178,5530.0%−0.1 pts

33Livingston County, ILIL35,0570.0%–

34White County, ILIL13,2500.0%–

35▼7Kendall County, ILIL145,4700.0%0.0 pts

36▼28DeKalb County, ILIL101,8350.0%–

37Tazewell County, ILIL130,0490.0%–

38▼5Williamson County, ILIL67,2250.0%–

SHOWING 1–38 OF 38

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