RANKING · 2020 CENSUS · 29 SHOWN OF 29

Highest Ecuadorian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Ecuadorian origin (2020 American Community Survey). A concentration measure: Ecuadorian residents as a percentage of total population. This list covers the 29 counties in Illinois that qualify, ranked against each other statewide.

Ecuadorian Americans: full group profile →

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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 2010

01Cook County, ILIL5,194,6250.5%+0.1 pts

02Iroquois County, ILIL26,1500.2%+0.2 pts

03McHenry County, ILIL317,7510.2%+0.1 pts

04DuPage County, ILIL934,2980.1%+0.0 pts

05DeKalb County, ILIL101,8350.1%+0.1 pts

06Bond County, ILIL16,9590.1%–

07Lake County, ILIL719,3390.1%+0.0 pts

08Will County, ILIL712,2530.1%−0.0 pts

09Boone County, ILIL53,5680.1%–

10Winnebago County, ILIL283,6740.1%+0.1 pts

11Ford County, ILIL13,2160.1%–

12Kane County, ILIL525,7570.1%+0.0 pts

13Shelby County, ILIL20,5760.1%–

14Henry County, ILIL48,0950.1%–

15Lee County, ILIL32,9140.1%+0.1 pts

16Kendall County, ILIL145,4700.0%−0.0 pts

17Champaign County, ILIL209,9720.0%−0.0 pts

18Franklin County, ILIL36,9160.0%–

19Peoria County, ILIL178,5530.0%−0.0 pts

20Jackson County, ILIL52,5010.0%–

21Stephenson County, ILIL43,2200.0%–

22Woodford County, ILIL38,1110.0%–

23Rock Island County, ILIL141,8690.0%−0.0 pts

24Kankakee County, ILIL105,5250.0%−0.0 pts

25McDonough County, ILIL25,9160.0%–

26Adams County, ILIL64,2670.0%–

27Sangamon County, ILIL194,1700.0%−0.1 pts

28LaSalle County, ILIL107,7730.0%−0.0 pts

29Madison County, ILIL263,1100.0%−0.0 pts

SHOWING 1–29 OF 29

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS