RANKING · 2020 CENSUS · 102 SHOWN OF 102

Most foreign-born residents, Illinois counties · 2020

Illinois counties ranked by the share of residents born outside the US (2020 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Cook County, ILIL5,194,62520.9%−1%

02DuPage County, ILIL934,29819.4%+6%

03Lake County, ILIL719,33918.7%+4%

04Kane County, ILIL525,75717.3%−3%

05Champaign County, ILIL209,97212.3%+14%

06Will County, ILIL712,25312.1%+6%

07Cass County, ILIL12,46311.6%+33%

08Kendall County, ILIL145,47010.1%+20%

09McHenry County, ILIL317,7518.9%−8%

10Boone County, ILIL53,5688.9%−12%

11Winnebago County, ILIL283,6748.8%+15%

12Rock Island County, ILIL141,8697.8%+24%

13McLean County, ILIL171,4196.7%+28%

14DeKalb County, ILIL101,8356.5%−7%

15Jackson County, ILIL52,5015.7%+14%

16Peoria County, ILIL178,5535.6%+34%

17Warren County, ILIL16,2225.2%+25%

18Kankakee County, ILIL105,5255.1%+15%

19Ogle County, ILIL51,3994.0%−21%

20Bureau County, ILIL32,5103.8%+24%

21LaSalle County, ILIL107,7733.6%+2%

22Grundy County, ILIL54,0523.6%−2%

23McDonough County, ILIL25,9163.3%+7%

24Iroquois County, ILIL26,1503.2%+22%

25Knox County, ILIL47,7673.1%+59%

26St. Clair County, ILIL250,7083.1%+27%

27Douglas County, ILIL19,8803.1%−26%

28Sangamon County, ILIL194,1703.0%+6%

29Whiteside County, ILIL54,1213.0%+10%

30Brown County, ILIL6,4012.9%+6%

31Lee County, ILIL32,9142.8%+38%

32Union County, ILIL16,6562.8%+15%

33Wabash County, ILIL10,9072.4%+208%

34Macon County, ILIL99,3002.4%+16%

35Madison County, ILIL263,1102.3%+5%

36Jo Daviess County, ILIL21,5942.3%−41%

37Mercer County, ILIL15,2292.2%+207%

38Effingham County, ILIL34,5192.2%+131%

39Stephenson County, ILIL43,2202.1%−11%

40Vermilion County, ILIL71,2592.0%−10%

41Randolph County, ILIL29,9211.9%+42%

42Coles County, ILIL46,6071.9%+19%

43Livingston County, ILIL35,0571.8%+8%

44Jefferson County, ILIL36,1471.8%+53%

45Woodford County, ILIL38,1111.8%+23%

46Stark County, ILIL5,3191.7%+86%

47Tazewell County, ILIL130,0491.7%+14%

48Fayette County, ILIL20,7901.7%−1%

49Williamson County, ILIL67,2251.7%+15%

50Putnam County, ILIL5,6191.7%−15%

51Morgan County, ILIL32,5151.7%+52%

52Johnson County, ILIL13,3631.6%−29%

53Marshall County, ILIL11,4731.6%−15%

54Hamilton County, ILIL7,8591.6%+998%

55Pope County, ILIL3,6721.6%−2%

56Logan County, ILIL27,1821.5%+35%

57Clinton County, ILIL37,1281.5%+8%

58Schuyler County, ILIL6,6571.5%−45%

59Bond County, ILIL16,9591.5%+33%

60Richland County, ILIL15,2191.5%+11%

61Henry County, ILIL48,0951.5%−25%

62Scott County, ILIL4,8661.5%+81%

63Carroll County, ILIL15,4191.4%−23%

64Monroe County, ILIL34,8401.4%+56%

65Henderson County, ILIL5,9841.3%−53%

66Perry County, ILIL20,1601.3%−12%

67Lawrence County, ILIL13,7901.3%−12%

68De Witt County, ILIL15,1181.3%−26%

69Washington County, ILIL13,5641.3%+171%

70Christian County, ILIL33,4431.3%−31%

71Adams County, ILIL64,2671.3%+19%

72Montgomery County, ILIL28,0761.3%−7%

73Piatt County, ILIL16,7911.2%−2%

74Edgar County, ILIL16,3231.2%+108%

75Fulton County, ILIL32,9011.2%−52%

76Ford County, ILIL13,2161.2%−32%

77Massac County, ILIL13,5021.2%+81%

78Hancock County, ILIL16,8031.1%+44%

79Crawford County, ILIL18,6481.1%−39%

80Marion County, ILIL36,3821.1%+2%

81Menard County, ILIL11,8631.1%+270%

82Shelby County, ILIL20,5761.1%+10%

83Franklin County, ILIL36,9161.0%+102%

84Jersey County, ILIL21,1601.0%+6%

85Macoupin County, ILIL43,7481.0%−5%

86White County, ILIL13,2500.9%−21%

87Cumberland County, ILIL10,2080.9%+190%

88Jasper County, ILIL9,0320.8%+55%

89Calhoun County, ILIL4,3000.8%−68%

90Saline County, ILIL22,7720.8%−27%

91Wayne County, ILIL15,8820.7%−20%

92Moultrie County, ILIL14,3710.7%−45%

93Mason County, ILIL12,4110.7%−54%

94Pulaski County, ILIL4,8200.7%−83%

95Edwards County, ILIL5,8980.6%+4%

96Pike County, ILIL14,2310.5%−46%

97Clark County, ILIL15,1140.5%−41%

98Hardin County, ILIL3,5880.4%−61%

99Clay County, ILIL12,7930.4%−50%

100Gallatin County, ILIL4,6160.3%−23%

101Greene County, ILIL11,3130.3%−56%

102Alexander County, ILIL4,5700.3%−86%

SHOWING 1–102 OF 102

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS