RANKING · 2010 CENSUS · 102 SHOWN OF 102

Largest Scotch-Irish population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2010 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 423.

Scotch-Irish Americans: full group profile →

IllinoisAll states All rankings

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

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS –

01Cook County, ILIL5,194,62533,082–

02DuPage County, ILIL934,29811,280–

03Lake County, ILIL719,3397,975–

04Will County, ILIL712,2537,827–

05Kane County, ILIL525,7575,913–

06Madison County, ILIL263,1104,475–

07Sangamon County, ILIL194,1704,110–

08McHenry County, ILIL317,7514,074–

09Winnebago County, ILIL283,6743,193–

10McLean County, ILIL171,4193,149–

11St. Clair County, ILIL250,7083,068–

12Champaign County, ILIL209,9722,924–

13Peoria County, ILIL178,5532,901–

14Rock Island County, ILIL141,8692,578–

15Tazewell County, ILIL130,0492,517–

16Macon County, ILIL99,3001,812–

17LaSalle County, ILIL107,7731,811–

18DeKalb County, ILIL101,8351,532–

19Kendall County, ILIL145,4701,392–

20Adams County, ILIL64,2671,324–

21Kankakee County, ILIL105,5251,309–

22Vermilion County, ILIL71,2591,307–

23Williamson County, ILIL67,2251,162–

24Jackson County, ILIL52,5011,158–

25Grundy County, ILIL54,0521,127–

26Franklin County, ILIL36,9161,098–

27Knox County, ILIL47,7671,037–

28Macoupin County, ILIL43,7481,020–

29Coles County, ILIL46,6071,002–

30McDonough County, ILIL25,916787–

31Randolph County, ILIL29,921761–

32Ogle County, ILIL51,399755–

33Henry County, ILIL48,095740–

34Woodford County, ILIL38,111739–

35Marion County, ILIL36,382722–

36Christian County, ILIL33,443719–

37Whiteside County, ILIL54,121677–

38Effingham County, ILIL34,519640–

39Morgan County, ILIL32,515634–

40Saline County, ILIL22,772633–

41Piatt County, ILIL16,791613–

42Jefferson County, ILIL36,147608–

43Livingston County, ILIL35,057573–

44Bureau County, ILIL32,510552–

45Stephenson County, ILIL43,220526–

46Boone County, ILIL53,568525–

47Montgomery County, ILIL28,076509–

48Fulton County, ILIL32,901493–

49Lee County, ILIL32,914477–

50Monroe County, ILIL34,840473–

51Iroquois County, ILIL26,150423–

52Perry County, ILIL20,160410–

53Logan County, ILIL27,182403–

54Warren County, ILIL16,222403–

55Edgar County, ILIL16,323401–

56Douglas County, ILIL19,880394–

57Clark County, ILIL15,114353–

58Johnson County, ILIL13,363350–

59Clay County, ILIL12,793338–

60Clinton County, ILIL37,128338–

61Bond County, ILIL16,959331–

62De Witt County, ILIL15,118328–

63Shelby County, ILIL20,576315–

64Crawford County, ILIL18,648306–

65Hancock County, ILIL16,803301–

66Mason County, ILIL12,411293–

67Greene County, ILIL11,313280–

68Menard County, ILIL11,863268–

69White County, ILIL13,250257–

70Richland County, ILIL15,219248–

71Wayne County, ILIL15,882239–

72Wabash County, ILIL10,907231–

73Moultrie County, ILIL14,371228–

74Fayette County, ILIL20,790225–

75Mercer County, ILIL15,229216–

76Union County, ILIL16,656213–

77Henderson County, ILIL5,984211–

78Massac County, ILIL13,502211–

79Carroll County, ILIL15,419206–

80Jo Daviess County, ILIL21,594201–

81Cass County, ILIL12,463195–

82Ford County, ILIL13,216190–

83Jasper County, ILIL9,032188–

84Pike County, ILIL14,231188–

85Cumberland County, ILIL10,208174–

86Lawrence County, ILIL13,790167–

87Edwards County, ILIL5,898163–

88Brown County, ILIL6,401158–

89Marshall County, ILIL11,473156–

90Pope County, ILIL3,672156–

91Washington County, ILIL13,564137–

92Schuyler County, ILIL6,657135–

93Scott County, ILIL4,866127–

94Pulaski County, ILIL4,820125–

95Stark County, ILIL5,319124–

96Alexander County, ILIL4,570122–

97Jersey County, ILIL21,160120–

98Hardin County, ILIL3,58894–

99Putnam County, ILIL5,61990–

100Gallatin County, ILIL4,61681–

101Calhoun County, ILIL4,30064–

102Hamilton County, ILIL7,85958–

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)

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