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. The median across all 56 is 38. Biggest climber in the top 100 since 2020: Crawford County, IL, up 27 places to #21.

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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

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%

06▲2Champaign County, ILIL209,972622+406%

07▲3Sangamon County, ILIL194,170475+1538%

08▼2McHenry County, ILIL317,751432+38%

09▲3Winnebago County, ILIL283,674357−4%

10▲4Madison County, ILIL263,110283+515%

11▼4DeKalb County, ILIL101,835271+271%

12Kendall County, ILIL145,470237+212%

13▲3Rock Island County, ILIL141,869152+424%

14▲4St. Clair County, ILIL250,708146−18%

15▲21Stephenson County, ILIL43,220108+882%

16▼3Logan County, ILIL27,182103–

17▲4LaSalle County, ILIL107,773101+80%

18▼7Peoria County, ILIL178,55399+371%

19▼10McLean County, ILIL171,41988−8%

20Macon County, ILIL99,30083−69%

21▲27Crawford County, ILIL18,64881–

22Coles County, ILIL46,60778+95%

23▲22Knox County, ILIL47,76776−70%

24Pike County, ILIL14,23169–

25▲1Grundy County, ILIL54,05254–

26▼1Iroquois County, ILIL26,15050+614%

27▼12Tazewell County, ILIL130,04950+525%

28Putnam County, ILIL5,61938–

29Mason County, ILIL12,41137+363%

30▼11Adams County, ILIL64,26732+60%

31Williamson County, ILIL67,22532−3%

32▼15Kankakee County, ILIL105,52530−41%

33▲14Franklin County, ILIL36,91628–

34▼1Douglas County, ILIL19,88026–

35Johnson County, ILIL13,36326–

36Woodford County, ILIL38,11126–

37▲4Jo Daviess County, ILIL21,59425–

38▲2Hancock County, ILIL16,80323–

39▼15Jackson County, ILIL52,50122+47%

40Carroll County, ILIL15,41921+62%

41▼13Lee County, ILIL32,91417–

42▼15Henry County, ILIL48,09516−77%

43▼13Macoupin County, ILIL43,74813–

44▼13White County, ILIL13,25013–

45Jersey County, ILIL21,16010–

46▼11Bureau County, ILIL32,5109–

47▼5Whiteside County, ILIL54,1219−63%

48Christian County, ILIL33,4437−22%

49Clay County, ILIL12,7935–

50▼12Marshall County, ILIL11,4735–

51▼7Fulton County, ILIL32,9014−60%

52▼6Livingston County, ILIL35,0574−83%

53▼21Richland County, ILIL15,2194–

54Calhoun County, ILIL4,3002–

55▼26Marion County, ILIL36,3822−50%

56Washington County, ILIL13,5642–

SHOWING 1–56 OF 56

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES