RANKING · 2010 CENSUS · 62 SHOWN OF 62

Highest South American population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are South American origin (2010 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 62 counties in Illinois that qualify, ranked against each other statewide. The median across all 62 is 0.1%.

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 –

01Cook County, ILIL5,194,6251.0%–

02Bond County, ILIL16,9590.7%–

03DuPage County, ILIL934,2980.7%–

04Knox County, ILIL47,7670.6%–

05Lake County, ILIL719,3390.6%–

06Champaign County, ILIL209,9720.5%–

07Kendall County, ILIL145,4700.5%–

08Boone County, ILIL53,5680.5%–

09Kane County, ILIL525,7570.4%–

10Will County, ILIL712,2530.4%–

11Jackson County, ILIL52,5010.4%–

12Macon County, ILIL99,3000.3%–

13McHenry County, ILIL317,7510.3%–

14Winnebago County, ILIL283,6740.3%–

15DeKalb County, ILIL101,8350.3%–

16Bureau County, ILIL32,5100.3%–

17Sangamon County, ILIL194,1700.2%–

18LaSalle County, ILIL107,7730.2%–

19Edgar County, ILIL16,3230.2%–

20Scott County, ILIL4,8660.2%–

21Henry County, ILIL48,0950.2%–

22Williamson County, ILIL67,2250.2%–

23Menard County, ILIL11,8630.2%–

24Livingston County, ILIL35,0570.2%–

25Jersey County, ILIL21,1600.1%–

26Vermilion County, ILIL71,2590.1%–

27Wabash County, ILIL10,9070.1%–

28McLean County, ILIL171,4190.1%–

29Whiteside County, ILIL54,1210.1%–

30St. Clair County, ILIL250,7080.1%–

31Peoria County, ILIL178,5530.1%–

32Perry County, ILIL20,1600.1%–

33Rock Island County, ILIL141,8690.1%–

34Fulton County, ILIL32,9010.1%–

35Piatt County, ILIL16,7910.1%–

36Adams County, ILIL64,2670.1%–

37Kankakee County, ILIL105,5250.1%–

38Lee County, ILIL32,9140.1%–

39Warren County, ILIL16,2220.1%–

40Carroll County, ILIL15,4190.1%–

41Pulaski County, ILIL4,8200.1%–

42Massac County, ILIL13,5020.1%–

43Coles County, ILIL46,6070.1%–

44Douglas County, ILIL19,8800.1%–

45Mason County, ILIL12,4110.1%–

46Christian County, ILIL33,4430.1%–

47McDonough County, ILIL25,9160.0%–

48Tazewell County, ILIL130,0490.0%–

49Logan County, ILIL27,1820.0%–

50Madison County, ILIL263,1100.0%–

51Iroquois County, ILIL26,1500.0%–

52Stephenson County, ILIL43,2200.0%–

53Monroe County, ILIL34,8400.0%–

54Grundy County, ILIL54,0520.0%–

55Marshall County, ILIL11,4730.0%–

56Jefferson County, ILIL36,1470.0%–

57Ogle County, ILIL51,3990.0%–

58Randolph County, ILIL29,9210.0%–

59Marion County, ILIL36,3820.0%–

60Ford County, ILIL13,2160.0%–

61Clinton County, ILIL37,1280.0%–

62Saline County, ILIL22,7720.0%–

SHOWING 1–62 OF 62

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