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. The median across all 78 is 0.2%. Biggest climber in the top 100 since 2020: Crawford County, IL, up 53 places to #17.

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IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

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

02▲51Cass County, ILIL12,4631.5%–

03▼1DuPage County, ILIL934,2981.2%+0.5 pts

04▲2Kane County, ILIL525,7571.1%+0.7 pts

05▼1Lake County, ILIL719,3391.1%+0.4 pts

06▲1Champaign County, ILIL209,9720.8%+0.3 pts

07▲4Kendall County, ILIL145,4700.7%+0.3 pts

08▼3McHenry County, ILIL317,7510.7%+0.4 pts

09Putnam County, ILIL5,6190.7%–

10▼2Will County, ILIL712,2530.6%+0.2 pts

11Wabash County, ILIL10,9070.6%+0.4 pts

12Christian County, ILIL33,4430.5%+0.5 pts

13▲52Pike County, ILIL14,2310.5%–

14▼11DeKalb County, ILIL101,8350.5%+0.2 pts

15▼1Winnebago County, ILIL283,6740.5%+0.1 pts

16▲6Stephenson County, ILIL43,2200.5%+0.4 pts

17▲53Crawford County, ILIL18,6480.4%–

18▲29Grundy County, ILIL54,0520.4%+0.4 pts

19▲2Peoria County, ILIL178,5530.4%+0.3 pts

20▲11Sangamon County, ILIL194,1700.4%+0.2 pts

21▼11Logan County, ILIL27,1820.4%+0.3 pts

22Johnson County, ILIL13,3630.4%–

23▲44Effingham County, ILIL34,5190.4%–

24▼5Rock Island County, ILIL141,8690.3%+0.2 pts

25▼13Boone County, ILIL53,5680.3%−0.2 pts

26▲37Knox County, ILIL47,7670.3%−0.3 pts

27Mason County, ILIL12,4110.3%+0.2 pts

28▼10Iroquois County, ILIL26,1500.3%+0.2 pts

29▲12Madison County, ILIL263,1100.3%+0.2 pts

30▲20LaSalle County, ILIL107,7730.3%0.0 pts

31▼11Macon County, ILIL99,3000.2%−0.1 pts

32▼8Moultrie County, ILIL14,3710.2%–

33▼24McLean County, ILIL171,4190.2%+0.1 pts

34▼1Lee County, ILIL32,9140.2%+0.1 pts

35Carroll County, ILIL15,4190.2%+0.1 pts

36▼21Jackson County, ILIL52,5010.2%−0.2 pts

37▲20Hancock County, ILIL16,8030.2%–

38▲22Coles County, ILIL46,6070.2%+0.1 pts

39▼7Richland County, ILIL15,2190.2%–

40▼5Brown County, ILIL6,4010.2%–

41▼15Massac County, ILIL13,5020.1%+0.1 pts

42▼3White County, ILIL13,2500.1%–

43▲15Woodford County, ILIL38,1110.1%–

44▼2Jo Daviess County, ILIL21,5940.1%–

45▲4Douglas County, ILIL19,8800.1%+0.1 pts

46▲6St. Clair County, ILIL250,7080.1%0.0 pts

47▲12Morgan County, ILIL32,5150.1%–

48Fayette County, ILIL20,7900.1%–

49▼24Fulton County, ILIL32,9010.1%0.0 pts

50▼27Kankakee County, ILIL105,5250.1%0.0 pts

51▲10Franklin County, ILIL36,9160.1%–

52▼16McDonough County, ILIL25,9160.1%0.0 pts

53▲9Whiteside County, ILIL54,1210.1%−0.1 pts

54▼8Marion County, ILIL36,3820.1%+0.1 pts

55▼15Bond County, ILIL16,9590.1%−0.7 pts

56▼29Macoupin County, ILIL43,7480.1%–

57▼19Adams County, ILIL64,2670.1%0.0 pts

58▼13Tazewell County, ILIL130,0490.1%0.0 pts

59▼5Williamson County, ILIL67,2250.1%−0.1 pts

60▼5Livingston County, ILIL35,0570.1%−0.1 pts

61▼33Jersey County, ILIL21,1600.0%−0.1 pts

62Calhoun County, ILIL4,3000.0%–

63▼19Marshall County, ILIL11,4730.0%0.0 pts

64Ogle County, ILIL51,3990.0%0.0 pts

65Clay County, ILIL12,7930.0%–

66▼29Henry County, ILIL48,0950.0%−0.2 pts

67▼11Bureau County, ILIL32,5100.0%−0.2 pts

68Perry County, ILIL20,1600.0%−0.1 pts

69Montgomery County, ILIL28,0760.0%–

70▼27Ford County, ILIL13,2160.0%0.0 pts

71Stark County, ILIL5,3190.0%–

72▼3Greene County, ILIL11,3130.0%–

73▼44Washington County, ILIL13,5640.0%–

74Union County, ILIL16,6560.0%–

75▼9Jasper County, ILIL9,0320.0%–

76▼28Vermilion County, ILIL71,2590.0%−0.1 pts

77▼64Warren 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 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES