RANKING · 2010 CENSUS · 25 SHOWN OF 25

Highest Dominican population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Dominican origin (2023 American Community Survey). A concentration measure: Dominican residents as a percentage of total population. This list covers the 25 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

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

RANKPLACESTATEPOPDOMINICAN SHAREVS 2000

01Cass County, ILIL12,4630.3%–

02Ford County, ILIL13,2160.1%–

03Mercer County, ILIL15,2290.1%–

04Fulton County, ILIL32,9010.1%–

05Cook County, ILIL5,194,6250.1%–

06DeKalb County, ILIL101,8350.1%–

07Lake County, ILIL719,3390.0%–

08DuPage County, ILIL934,2980.0%–

09Jackson County, ILIL52,5010.0%–

10McHenry County, ILIL317,7510.0%–

11Will County, ILIL712,2530.0%–

12Logan County, ILIL27,1820.0%–

13Christian County, ILIL33,4430.0%–

14Macon County, ILIL99,3000.0%–

15McLean County, ILIL171,4190.0%–

16Whiteside County, ILIL54,1210.0%–

17Peoria County, ILIL178,5530.0%–

18Champaign County, ILIL209,9720.0%–

19Kane County, ILIL525,7570.0%–

20Winnebago County, ILIL283,6740.0%–

21Coles County, ILIL46,6070.0%–

22Ogle County, ILIL51,3990.0%–

23Madison County, ILIL263,1100.0%–

24Lee County, ILIL32,9140.0%–

25St. Clair County, ILIL250,7080.0%–

SHOWING 1–25 OF 25

Download CSV (full list, 25 rows)

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