RANKING · 2020 CENSUS · 29 SHOWN OF 29

Largest Ecuadorian population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Ecuadorian origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 29 counties in Illinois that qualify, ranked against each other statewide. The median across all 29 is 25.

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 2010

01Cook County, ILIL5,194,62526,401+24%

02DuPage County, ILIL934,2981,146+51%

03Lake County, ILIL719,339689+3%

04Will County, ILIL712,253609−33%

05McHenry County, ILIL317,751491+58%

06Kane County, ILIL525,757432+19%

07Winnebago County, ILIL283,674239+4680%

08DeKalb County, ILIL101,835129+303%

09Champaign County, ILIL209,97278−20%

10Kendall County, ILIL145,47050−26%

11Iroquois County, ILIL26,15047+1467%

12Boone County, ILIL53,56846–

13Peoria County, ILIL178,55345−27%

14Henry County, ILIL48,09537–

15Rock Island County, ILIL141,86925−22%

16Lee County, ILIL32,91425+317%

17Bond County, ILIL16,95917–

18Shelby County, ILIL20,57617–

19Kankakee County, ILIL105,52515−69%

20Jackson County, ILIL52,50113–

21Ford County, ILIL13,21611–

22Franklin County, ILIL36,91610–

23Stephenson County, ILIL43,22010–

24Woodford County, ILIL38,1117–

25Sangamon County, ILIL194,1706−96%

26Adams County, ILIL64,2676–

27Madison County, ILIL263,1106−73%

28McDonough County, ILIL25,9164–

29LaSalle County, ILIL107,7733−79%

SHOWING 1–29 OF 29

Download CSV (full list, 29 rows)

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