RANKING · 2010 CENSUS · 28 SHOWN OF 28

Highest Ecuadorian population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Ecuadorian origin (2023 American Community Survey). A concentration measure: Ecuadorian residents as a percentage of total population. This list covers the 28 counties in Illinois that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

Highest Ecuadorian population share by state

RANKPLACESTATEPOPECUADORIAN SHAREVS 2000

01Cook County, ILIL5,194,6250.4%–

02Bureau County, ILIL32,5100.2%–

03Will County, ILIL712,2530.1%–

04McHenry County, ILIL317,7510.1%–

05Lake County, ILIL719,3390.1%–

06Livingston County, ILIL35,0570.1%–

07DuPage County, ILIL934,2980.1%–

08Sangamon County, ILIL194,1700.1%–

09Kane County, ILIL525,7570.1%–

10Kendall County, ILIL145,4700.1%–

11Champaign County, ILIL209,9720.0%–

12Kankakee County, ILIL105,5250.0%–

13Logan County, ILIL27,1820.0%–

14Knox County, ILIL47,7670.0%–

15Peoria County, ILIL178,5530.0%–

16Fulton County, ILIL32,9010.0%–

17DeKalb County, ILIL101,8350.0%–

18McLean County, ILIL171,4190.0%–

19Jefferson County, ILIL36,1470.0%–

20Rock Island County, ILIL141,8690.0%–

21Whiteside County, ILIL54,1210.0%–

22Lee County, ILIL32,9140.0%–

23LaSalle County, ILIL107,7730.0%–

24Iroquois County, ILIL26,1500.0%–

25St. Clair County, ILIL250,7080.0%–

26Madison County, ILIL263,1100.0%–

27Vermilion County, ILIL71,2590.0%–

28Winnebago County, ILIL283,6740.0%–

SHOWING 1–28 OF 28

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES