RANKING · 2024 ACS · 100 SHOWN OF 100

Highest Scotch-Irish population share, Illinois counties

Illinois counties ranked by the share of all residents who are Scotch-Irish ancestry (2024 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 100 counties in Illinois that qualify, ranked against each other statewide.

Scotch-Irish Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010

01Hardin County, ILIL3,5883.2%+1.1 pts

02Randolph County, ILIL29,9211.9%−0.4 pts

03Wayne County, ILIL15,8821.8%+0.3 pts

04Piatt County, ILIL16,7911.7%−2.0 pts

05Bond County, ILIL16,9591.7%−0.2 pts

06Scott County, ILIL4,8661.6%−0.7 pts

07Crawford County, ILIL18,6481.6%+0.1 pts

08Saline County, ILIL22,7721.5%−1.0 pts

09Stark County, ILIL5,3191.5%−0.5 pts

10Jefferson County, ILIL36,1471.5%−0.0 pts

11Johnson County, ILIL13,3631.4%−1.4 pts

12Mason County, ILIL12,4111.3%−0.6 pts

13Knox County, ILIL47,7671.3%−0.7 pts

14Clinton County, ILIL37,1281.3%+0.4 pts

15Jackson County, ILIL52,5011.2%−0.7 pts

16Washington County, ILIL13,5641.1%+0.1 pts

17Cumberland County, ILIL10,2081.1%−0.5 pts

18Mercer County, ILIL15,2291.1%−0.3 pts

19Warren County, ILIL16,2221.0%−1.2 pts

20Menard County, ILIL11,8631.0%−1.1 pts

21Edwards County, ILIL5,8981.0%−1.4 pts

22Effingham County, ILIL34,5191.0%−0.9 pts

23Christian County, ILIL33,4431.0%−1.1 pts

24Sangamon County, ILIL194,1700.9%−1.2 pts

25Williamson County, ILIL67,2250.9%−0.8 pts

26Madison County, ILIL263,1100.9%−0.8 pts

27Edgar County, ILIL16,3230.9%−1.3 pts

28Marshall County, ILIL11,4730.9%−0.4 pts

29Monroe County, ILIL34,8400.9%−0.6 pts

30Perry County, ILIL20,1600.9%−1.0 pts

31Tazewell County, ILIL130,0490.9%−1.0 pts

32Union County, ILIL16,6560.8%−0.3 pts

33Putnam County, ILIL5,6190.8%−0.7 pts

34Massac County, ILIL13,5020.8%−0.5 pts

35Franklin County, ILIL36,9160.8%−2.0 pts

36Coles County, ILIL46,6070.8%−1.1 pts

37De Witt County, ILIL15,1180.8%−1.2 pts

38Marion County, ILIL36,3820.8%−1.0 pts

39Gallatin County, ILIL4,6160.8%−0.6 pts

40Livingston County, ILIL35,0570.8%−0.7 pts

41Bureau County, ILIL32,5100.8%−0.8 pts

42Fulton County, ILIL32,9010.7%−0.6 pts

43Morgan County, ILIL32,5150.7%−1.0 pts

44Peoria County, ILIL178,5530.7%−0.8 pts

45Macon County, ILIL99,3000.7%−0.9 pts

46St. Clair County, ILIL250,7080.7%−0.4 pts

47McDonough County, ILIL25,9160.7%−1.7 pts

48Champaign County, ILIL209,9720.7%−0.8 pts

49Whiteside County, ILIL54,1210.7%−0.5 pts

50Woodford County, ILIL38,1110.7%−1.3 pts

51Grundy County, ILIL54,0520.6%−1.7 pts

52Hancock County, ILIL16,8030.6%−0.9 pts

53DeKalb County, ILIL101,8350.6%−0.8 pts

54Henry County, ILIL48,0950.6%−0.8 pts

55McHenry County, ILIL317,7510.6%−0.7 pts

56Jo Daviess County, ILIL21,5940.6%−0.3 pts

57Adams County, ILIL64,2670.6%−1.4 pts

58Ogle County, ILIL51,3990.6%−0.8 pts

59McLean County, ILIL171,4190.6%−1.3 pts

60Rock Island County, ILIL141,8690.6%−1.1 pts

61Macoupin County, ILIL43,7480.6%−1.5 pts

62Jersey County, ILIL21,1600.6%+0.1 pts

63LaSalle County, ILIL107,7730.6%−1.0 pts

64Shelby County, ILIL20,5760.6%−0.8 pts

65Henderson County, ILIL5,9840.6%−2.2 pts

66Alexander County, ILIL4,5700.6%−0.9 pts

67Clay County, ILIL12,7930.6%−1.9 pts

68Fayette County, ILIL20,7900.5%−0.5 pts

69Winnebago County, ILIL283,6740.5%−0.6 pts

70Logan County, ILIL27,1820.5%−0.8 pts

71Jasper County, ILIL9,0320.5%−1.4 pts

72White County, ILIL13,2500.5%−1.2 pts

73Stephenson County, ILIL43,2200.5%−0.6 pts

74Calhoun County, ILIL4,3000.5%−0.7 pts

75Kane County, ILIL525,7570.5%−0.7 pts

76DuPage County, ILIL934,2980.5%−0.7 pts

77Clark County, ILIL15,1140.5%−1.6 pts

78Vermilion County, ILIL71,2590.5%−1.1 pts

79Montgomery County, ILIL28,0760.5%−1.2 pts

80Wabash County, ILIL10,9070.4%−1.5 pts

81Greene County, ILIL11,3130.4%−1.6 pts

82Iroquois County, ILIL26,1500.4%−1.0 pts

83Pulaski County, ILIL4,8200.4%−1.6 pts

84Lee County, ILIL32,9140.4%−0.9 pts

85Lawrence County, ILIL13,7900.4%−0.6 pts

86Kendall County, ILIL145,4700.4%−0.9 pts

87Ford County, ILIL13,2160.4%−1.0 pts

88Kankakee County, ILIL105,5250.4%−0.8 pts

89Lake County, ILIL719,3390.4%−0.8 pts

90Douglas County, ILIL19,8800.4%−1.6 pts

91Moultrie County, ILIL14,3710.4%−1.2 pts

92Will County, ILIL712,2530.4%−0.8 pts

93Pope County, ILIL3,6720.3%−3.2 pts

94Boone County, ILIL53,5680.3%−0.7 pts

95Cook County, ILIL5,194,6250.3%−0.4 pts

96Hamilton County, ILIL7,8590.3%−0.4 pts

97Pike County, ILIL14,2310.2%−0.9 pts

98Carroll County, ILIL15,4190.2%−1.1 pts

99Cass County, ILIL12,4630.2%−1.2 pts

100Richland County, ILIL15,2190.1%−1.4 pts

SHOWING 1–100 OF 100

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES