RANKING · 2010 CENSUS · 62 SHOWN OF 62

Largest South American population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are South American 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 62 counties in Illinois that qualify, ranked against each other statewide. The median across all 62 is 63.

South 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

RANKPLACESTATEPOPSOUTH AMERICAN POPULATIONVS –

01Cook County, ILIL5,194,62550,361–

02DuPage County, ILIL934,2986,324–

03Lake County, ILIL719,3394,226–

04Will County, ILIL712,2532,799–

05Kane County, ILIL525,7572,144–

06Champaign County, ILIL209,9721,038–

07McHenry County, ILIL317,751985–

08Winnebago County, ILIL283,674933–

09Kendall County, ILIL145,470514–

10Sangamon County, ILIL194,170475–

11St. Clair County, ILIL250,708367–

12Macon County, ILIL99,300365–

13Knox County, ILIL47,767334–

14DeKalb County, ILIL101,835292–

15LaSalle County, ILIL107,773263–

16Boone County, ILIL53,568259–

17Peoria County, ILIL178,553253–

18McLean County, ILIL171,419233–

19Jackson County, ILIL52,501219–

20Rock Island County, ILIL141,869163–

21Bond County, ILIL16,959132–

22Williamson County, ILIL67,225119–

23Vermilion County, ILIL71,259118–

24Madison County, ILIL263,110109–

25Kankakee County, ILIL105,525105–

26Henry County, ILIL48,09597–

27Bureau County, ILIL32,51091–

28Whiteside County, ILIL54,12181–

29Adams County, ILIL64,26766–

30Livingston County, ILIL35,05763–

31Tazewell County, ILIL130,04963–

32Edgar County, ILIL16,32342–

33Coles County, ILIL46,60740–

34Fulton County, ILIL32,90138–

35Jersey County, ILIL21,16033–

36Lee County, ILIL32,91432–

37Perry County, ILIL20,16025–

38Menard County, ILIL11,86321–

39Christian County, ILIL33,44318–

40Piatt County, ILIL16,79117–

41Wabash County, ILIL10,90717–

42McDonough County, ILIL25,91616–

43Warren County, ILIL16,22215–

44Carroll County, ILIL15,41913–

45Logan County, ILIL27,18213–

46Stephenson County, ILIL43,22013–

47Douglas County, ILIL19,88012–

48Grundy County, ILIL54,05212–

49Massac County, ILIL13,50212–

50Scott County, ILIL4,86612–

51Ogle County, ILIL51,39911–

52Iroquois County, ILIL26,15010–

53Jefferson County, ILIL36,1479–

54Mason County, ILIL12,4118–

55Monroe County, ILIL34,8408–

56Marion County, ILIL36,3826–

57Randolph County, ILIL29,9216–

58Clinton County, ILIL37,1285–

59Pulaski County, ILIL4,8205–

60Marshall County, ILIL11,4733–

61Ford County, ILIL13,2162–

62Saline County, ILIL22,7722–

SHOWING 1–62 OF 62

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