RANKING · 2020 CENSUS · 48 SHOWN OF 48

Highest Colombian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Colombian origin (2023 American Community Survey). A concentration measure: Colombian residents as a percentage of total population. This list covers the 48 counties in Illinois that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPCOLOMBIAN SHAREVS 2000

01DeKalb County, ILIL101,8350.5%–

02Logan County, ILIL27,1820.4%–

03Cook County, ILIL5,194,6250.3%–

04Menard County, ILIL11,8630.3%–

05DuPage County, ILIL934,2980.3%–

06Lake County, ILIL719,3390.3%–

07McHenry County, ILIL317,7510.2%–

08Kane County, ILIL525,7570.2%–

09Champaign County, ILIL209,9720.2%–

10Will County, ILIL712,2530.1%–

11Brown County, ILIL6,4010.1%–

12McLean County, ILIL171,4190.1%–

13White County, ILIL13,2500.1%–

14Iroquois County, ILIL26,1500.1%–

15Peoria County, ILIL178,5530.1%–

16Sangamon County, ILIL194,1700.1%–

17Richland County, ILIL15,2190.1%–

18Marshall County, ILIL11,4730.1%–

19Kankakee County, ILIL105,5250.1%–

20Adams County, ILIL64,2670.1%–

21Tazewell County, ILIL130,0490.1%–

22Lee County, ILIL32,9140.1%–

23Douglas County, ILIL19,8800.1%–

24Rock Island County, ILIL141,8690.1%–

25Shelby County, ILIL20,5760.1%–

26Marion County, ILIL36,3820.1%–

27Jackson County, ILIL52,5010.1%–

28Henry County, ILIL48,0950.1%–

29Grundy County, ILIL54,0520.1%–

30Cass County, ILIL12,4630.0%–

31Winnebago County, ILIL283,6740.0%–

32Vermilion County, ILIL71,2590.0%–

33Macon County, ILIL99,3000.0%–

34Madison County, ILIL263,1100.0%–

35Hancock County, ILIL16,8030.0%–

36Macoupin County, ILIL43,7480.0%–

37LaSalle County, ILIL107,7730.0%–

38Bureau County, ILIL32,5100.0%–

39Jo Daviess County, ILIL21,5940.0%–

40Morgan County, ILIL32,5150.0%–

41Stephenson County, ILIL43,2200.0%–

42St. Clair County, ILIL250,7080.0%–

43Fulton County, ILIL32,9010.0%–

44Whiteside County, ILIL54,1210.0%–

45Knox County, ILIL47,7670.0%–

46Livingston County, ILIL35,0570.0%–

47Crawford County, ILIL18,6480.0%–

48Franklin County, ILIL36,9160.0%–

SHOWING 1–48 OF 48

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