RANKING · 2024 ACS · 56 SHOWN OF 56

Largest Colombian population, Illinois counties

Illinois counties ranked by the number of residents who are Colombian origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 56 counties in Illinois that qualify, ranked against each other statewide.

Colombian 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

RANKPLACESTATEPOPCOLOMBIAN POPULATIONVS 2010

01Cook County, ILIL5,194,62521,908+73%

02DuPage County, ILIL934,2983,349+41%

03Lake County, ILIL719,3393,016+50%

04Kane County, ILIL525,7572,367+275%

05Will County, ILIL712,2531,195+42%

06Champaign County, ILIL209,972622+406%

07Sangamon County, ILIL194,170475+1538%

08McHenry County, ILIL317,751432+38%

09Winnebago County, ILIL283,674357−4%

10Madison County, ILIL263,110283+515%

11DeKalb County, ILIL101,835271+271%

12Kendall County, ILIL145,470237+212%

13Rock Island County, ILIL141,869152+424%

14St. Clair County, ILIL250,708146−18%

15Stephenson County, ILIL43,220108+882%

16Logan County, ILIL27,182103–

17LaSalle County, ILIL107,773101+80%

18Peoria County, ILIL178,55399+371%

19McLean County, ILIL171,41988−8%

20Macon County, ILIL99,30083−69%

21Crawford County, ILIL18,64881–

22Coles County, ILIL46,60778+95%

23Knox County, ILIL47,76776−70%

24Pike County, ILIL14,23169–

25Grundy County, ILIL54,05254–

26Iroquois County, ILIL26,15050+614%

27Tazewell County, ILIL130,04950+525%

28Putnam County, ILIL5,61938–

29Mason County, ILIL12,41137+363%

30Adams County, ILIL64,26732+60%

31Williamson County, ILIL67,22532−3%

32Kankakee County, ILIL105,52530−41%

33Franklin County, ILIL36,91628–

34Douglas County, ILIL19,88026–

35Johnson County, ILIL13,36326–

36Woodford County, ILIL38,11126–

37Jo Daviess County, ILIL21,59425–

38Hancock County, ILIL16,80323–

39Jackson County, ILIL52,50122+47%

40Carroll County, ILIL15,41921+62%

41Lee County, ILIL32,91417–

42Henry County, ILIL48,09516−77%

43Macoupin County, ILIL43,74813–

44White County, ILIL13,25013–

45Jersey County, ILIL21,16010–

46Bureau County, ILIL32,5109–

47Whiteside County, ILIL54,1219−63%

48Christian County, ILIL33,4437−22%

49Clay County, ILIL12,7935–

50Marshall County, ILIL11,4735–

51Fulton County, ILIL32,9014−60%

52Livingston County, ILIL35,0574−83%

53Richland County, ILIL15,2194–

54Calhoun County, ILIL4,3002–

55Marion County, ILIL36,3822−50%

56Washington County, ILIL13,5642–

SHOWING 1–56 OF 56

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES