RANKING · 2010 CENSUS · 25 SHOWN OF 25

Largest Dominican population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Dominican 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 25 counties in Illinois that qualify, ranked against each other statewide. The median across all 25 is 31.

Dominican 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

RANKPLACESTATEPOPDOMINICAN POPULATIONVS –

01Cook County, ILIL5,194,6253,791–

02DuPage County, ILIL934,298397–

03Lake County, ILIL719,339346–

04Will County, ILIL712,253222–

05McHenry County, ILIL317,751106–

06Kane County, ILIL525,75799–

07DeKalb County, ILIL101,83563–

08Winnebago County, ILIL283,67456–

09Peoria County, ILIL178,55347–

10McLean County, ILIL171,41945–

11Champaign County, ILIL209,97243–

12Cass County, ILIL12,46340–

13Fulton County, ILIL32,90131–

14Macon County, ILIL99,30030–

15Jackson County, ILIL52,50126–

16Madison County, ILIL263,11018–

17Mercer County, ILIL15,22916–

18Ford County, ILIL13,21615–

19Whiteside County, ILIL54,12115–

20Christian County, ILIL33,44310–

21Coles County, ILIL46,60710–

22Logan County, ILIL27,1829–

23Ogle County, ILIL51,3996–

24St. Clair County, ILIL250,7084–

25Lee County, ILIL32,9142–

SHOWING 1–25 OF 25

Download CSV (full list, 25 rows)

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