RANKING · 2010 CENSUS · 28 SHOWN OF 28

Largest Ecuadorian population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Ecuadorian origin, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 28 counties in Illinois that qualify, ranked against each other statewide. The median across all 28 is 36.

Ecuadorian Americans: full group profile →

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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

Largest Ecuadorian population by state

RANKPLACESTATEPOPECUADORIAN POPULATIONVS –

01Cook County, ILIL5,194,62521,291–

02Will County, ILIL712,253913–

03DuPage County, ILIL934,298760–

04Lake County, ILIL719,339669–

05Kane County, ILIL525,757362–

06McHenry County, ILIL317,751311–

07Sangamon County, ILIL194,170156–

08Champaign County, ILIL209,97297–

09Kendall County, ILIL145,47068–

10Bureau County, ILIL32,51062–

11Peoria County, ILIL178,55362–

12McLean County, ILIL171,41950–

13Kankakee County, ILIL105,52549–

14Livingston County, ILIL35,05736–

15DeKalb County, ILIL101,83532–

16Rock Island County, ILIL141,86932–

17St. Clair County, ILIL250,70824–

18Madison County, ILIL263,11022–

19Knox County, ILIL47,76720–

20LaSalle County, ILIL107,77314–

21Logan County, ILIL27,18213–

22Fulton County, ILIL32,90112–

23Whiteside County, ILIL54,12110–

24Jefferson County, ILIL36,1479–

25Lee County, ILIL32,9146–

26Vermilion County, ILIL71,2595–

27Winnebago County, ILIL283,6745–

28Iroquois County, ILIL26,1503–

SHOWING 1–28 OF 28

Download CSV (full list, 28 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS