RANKING · 2024 ACS · 78 SHOWN OF 78

Highest South American population share, Illinois counties

Illinois counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 78 counties in Illinois that qualify, ranked against each other statewide.

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 SHAREVS 2010

01Cook County, ILIL5,194,6251.7%+0.7 pts

02Cass County, ILIL12,4631.5%–

03DuPage County, ILIL934,2981.2%+0.5 pts

04Kane County, ILIL525,7571.1%+0.7 pts

05Lake County, ILIL719,3391.1%+0.4 pts

06Champaign County, ILIL209,9720.8%+0.3 pts

07Kendall County, ILIL145,4700.7%+0.3 pts

08McHenry County, ILIL317,7510.7%+0.4 pts

09Putnam County, ILIL5,6190.7%–

10Will County, ILIL712,2530.6%+0.2 pts

11Wabash County, ILIL10,9070.6%+0.4 pts

12Christian County, ILIL33,4430.5%+0.5 pts

13Pike County, ILIL14,2310.5%–

14DeKalb County, ILIL101,8350.5%+0.2 pts

15Winnebago County, ILIL283,6740.5%+0.1 pts

16Stephenson County, ILIL43,2200.5%+0.4 pts

17Crawford County, ILIL18,6480.4%–

18Grundy County, ILIL54,0520.4%+0.4 pts

19Peoria County, ILIL178,5530.4%+0.3 pts

20Sangamon County, ILIL194,1700.4%+0.2 pts

21Logan County, ILIL27,1820.4%+0.3 pts

22Johnson County, ILIL13,3630.4%–

23Effingham County, ILIL34,5190.4%–

24Rock Island County, ILIL141,8690.3%+0.2 pts

25Boone County, ILIL53,5680.3%−0.2 pts

26Knox County, ILIL47,7670.3%−0.3 pts

27Mason County, ILIL12,4110.3%+0.2 pts

28Iroquois County, ILIL26,1500.3%+0.2 pts

29Madison County, ILIL263,1100.3%+0.2 pts

30LaSalle County, ILIL107,7730.3%+0.0 pts

31Macon County, ILIL99,3000.2%−0.1 pts

32Moultrie County, ILIL14,3710.2%–

33McLean County, ILIL171,4190.2%+0.1 pts

34Lee County, ILIL32,9140.2%+0.1 pts

35Carroll County, ILIL15,4190.2%+0.1 pts

36Jackson County, ILIL52,5010.2%−0.2 pts

37Hancock County, ILIL16,8030.2%–

38Coles County, ILIL46,6070.2%+0.1 pts

39Richland County, ILIL15,2190.2%–

40Brown County, ILIL6,4010.2%–

41Massac County, ILIL13,5020.1%+0.1 pts

42White County, ILIL13,2500.1%–

43Woodford County, ILIL38,1110.1%–

44Jo Daviess County, ILIL21,5940.1%–

45Douglas County, ILIL19,8800.1%+0.1 pts

46St. Clair County, ILIL250,7080.1%−0.0 pts

47Morgan County, ILIL32,5150.1%–

48Fayette County, ILIL20,7900.1%–

49Fulton County, ILIL32,9010.1%+0.0 pts

50Kankakee County, ILIL105,5250.1%+0.0 pts

51Franklin County, ILIL36,9160.1%–

52McDonough County, ILIL25,9160.1%+0.0 pts

53Whiteside County, ILIL54,1210.1%−0.1 pts

54Marion County, ILIL36,3820.1%+0.1 pts

55Bond County, ILIL16,9590.1%−0.7 pts

56Macoupin County, ILIL43,7480.1%–

57Adams County, ILIL64,2670.1%−0.0 pts

58Tazewell County, ILIL130,0490.1%+0.0 pts

59Williamson County, ILIL67,2250.1%−0.1 pts

60Livingston County, ILIL35,0570.1%−0.1 pts

61Jersey County, ILIL21,1600.0%−0.1 pts

62Calhoun County, ILIL4,3000.0%–

63Marshall County, ILIL11,4730.0%+0.0 pts

64Ogle County, ILIL51,3990.0%+0.0 pts

65Clay County, ILIL12,7930.0%–

66Henry County, ILIL48,0950.0%−0.2 pts

67Bureau County, ILIL32,5100.0%−0.2 pts

68Perry County, ILIL20,1600.0%−0.1 pts

69Montgomery County, ILIL28,0760.0%–

70Ford County, ILIL13,2160.0%+0.0 pts

71Stark County, ILIL5,3190.0%–

72Greene County, ILIL11,3130.0%–

73Washington County, ILIL13,5640.0%–

74Union County, ILIL16,6560.0%–

75Jasper County, ILIL9,0320.0%–

76Vermilion County, ILIL71,2590.0%−0.1 pts

77Warren County, ILIL16,2220.0%−0.1 pts

78Clinton County, ILIL37,1280.0%−0.0 pts

SHOWING 1–78 OF 78

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES