RANKING · 2020 CENSUS · 102 SHOWN OF 102

Largest Italian population, Illinois counties · 2020

Illinois counties ranked by the number of residents who are Italian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 797.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPITALIAN POPULATIONVS 2010

01Cook County, ILIL5,194,625264,085−14%

02DuPage County, ILIL934,29899,824−9%

03Will County, ILIL712,25366,655−10%

04Lake County, ILIL719,33943,806−9%

05Kane County, ILIL525,75740,965+11%

06McHenry County, ILIL317,75131,713−4%

07Winnebago County, ILIL283,67419,861−8%

08Madison County, ILIL263,11011,497−25%

09Kendall County, ILIL145,47010,111+2%

10Sangamon County, ILIL194,17010,038−18%

11LaSalle County, ILIL107,7739,450−10%

12DeKalb County, ILIL101,8357,800+17%

13St. Clair County, ILIL250,7087,366−16%

14Peoria County, ILIL178,5536,766+3%

15Champaign County, ILIL209,9726,105−10%

16Grundy County, ILIL54,0526,037−2%

17Tazewell County, ILIL130,0495,537−3%

18McLean County, ILIL171,4195,513−22%

19Kankakee County, ILIL105,5255,435−28%

20Rock Island County, ILIL141,8693,956−24%

21Boone County, ILIL53,5683,952−4%

22Williamson County, ILIL67,2253,418−15%

23Bureau County, ILIL32,5102,972−4%

24Ogle County, ILIL51,3992,768+11%

25Macoupin County, ILIL43,7482,652−31%

26Macon County, ILIL99,3002,032−22%

27Franklin County, ILIL36,9162,027−10%

28Jackson County, ILIL52,5012,011−17%

29Adams County, ILIL64,2671,662+52%

30Whiteside County, ILIL54,1211,595−12%

31Coles County, ILIL46,6071,556−1%

32Livingston County, ILIL35,0571,555−21%

33Woodford County, ILIL38,1111,553+11%

34Vermilion County, ILIL71,2591,428−24%

35Knox County, ILIL47,7671,414−18%

36Montgomery County, ILIL28,0761,410+28%

37Fulton County, ILIL32,9011,344+6%

38Iroquois County, ILIL26,1501,225+37%

39Christian County, ILIL33,4431,224−16%

40Henry County, ILIL48,0951,206−28%

41McDonough County, ILIL25,9161,152−32%

42Monroe County, ILIL34,8401,146−7%

43Morgan County, ILIL32,5151,131+75%

44Stephenson County, ILIL43,2201,110+5%

45Lee County, ILIL32,9141,072−19%

46Putnam County, ILIL5,619881−10%

47Clinton County, ILIL37,128871+3%

48Logan County, ILIL27,182862−3%

49Jersey County, ILIL21,160850+40%

50Saline County, ILIL22,772826+26%

51Marion County, ILIL36,382797−31%

52Randolph County, ILIL29,921786−34%

53Effingham County, ILIL34,519682+114%

54Perry County, ILIL20,160650−40%

55Jefferson County, ILIL36,147648−34%

56Marshall County, ILIL11,473643−30%

57Jo Daviess County, ILIL21,594628+9%

58Fayette County, ILIL20,790587+62%

59Menard County, ILIL11,863556+19%

60Bond County, ILIL16,959523+56%

61De Witt County, ILIL15,118452+27%

62Edgar County, ILIL16,323388−6%

63Ford County, ILIL13,216387−27%

64Piatt County, ILIL16,791369+4%

65Mason County, ILIL12,411346−17%

66Warren County, ILIL16,222343−27%

67Crawford County, ILIL18,648311−33%

68Moultrie County, ILIL14,371303+44%

69Hancock County, ILIL16,803285−40%

70Clark County, ILIL15,114259−16%

71Greene County, ILIL11,313254−3%

72Shelby County, ILIL20,576252+5%

73Washington County, ILIL13,564251−26%

74Carroll County, ILIL15,419249−40%

75Mercer County, ILIL15,229247−42%

76Schuyler County, ILIL6,657244+20%

77Johnson County, ILIL13,363240−13%

78Union County, ILIL16,656227−28%

79Douglas County, ILIL19,880216−41%

80Calhoun County, ILIL4,300214+110%

81Massac County, ILIL13,502196−2%

82Clay County, ILIL12,793180+38%

83Pike County, ILIL14,231179−66%

84Cumberland County, ILIL10,208178+112%

85Wayne County, ILIL15,882171+47%

86Cass County, ILIL12,463159−17%

87Lawrence County, ILIL13,790155−18%

88Richland County, ILIL15,219147+50%

89Henderson County, ILIL5,984139−14%

90Scott County, ILIL4,866124+49%

91Stark County, ILIL5,319117+21%

92Jasper County, ILIL9,032108−14%

93White County, ILIL13,250108−65%

94Pope County, ILIL3,67285−51%

95Brown County, ILIL6,40184−67%

96Alexander County, ILIL4,57074−24%

97Wabash County, ILIL10,90762−74%

98Gallatin County, ILIL4,61654−52%

99Hamilton County, ILIL7,85940−87%

100Edwards County, ILIL5,89836−39%

101Pulaski County, ILIL4,82033−48%

102Hardin County, ILIL3,58825−73%

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

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