RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest Swiss population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Swiss ancestry (2020 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 99 counties in Illinois that qualify, ranked against each other statewide. The median across all 99 is 0.3%.

Swiss Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS SHAREVS 2010

01Moultrie County, ILIL14,3713.0%+2.2 pts

02Stark County, ILIL5,3192.9%+2.2 pts

03Woodford County, ILIL38,1112.5%−0.7 pts

04Stephenson County, ILIL43,2202.2%−0.7 pts

05Livingston County, ILIL35,0571.4%−0.5 pts

06Brown County, ILIL6,4011.2%+1.0 pts

07Edwards County, ILIL5,8981.2%+0.9 pts

08Bond County, ILIL16,9591.0%−0.3 pts

09Richland County, ILIL15,2190.9%−0.4 pts

10Tazewell County, ILIL130,0490.9%−0.1 pts

11Peoria County, ILIL178,5530.7%−0.1 pts

12Douglas County, ILIL19,8800.7%−0.3 pts

13Iroquois County, ILIL26,1500.7%−0.1 pts

14Jo Daviess County, ILIL21,5940.7%−0.7 pts

15Putnam County, ILIL5,6190.6%+0.4 pts

16Marshall County, ILIL11,4730.6%+0.1 pts

17Madison County, ILIL263,1100.5%−0.1 pts

18Ogle County, ILIL51,3990.5%0.0 pts

19Jasper County, ILIL9,0320.5%+0.4 pts

20Effingham County, ILIL34,5190.5%+0.2 pts

21Greene County, ILIL11,3130.5%−0.7 pts

22DeKalb County, ILIL101,8350.5%+0.1 pts

23Massac County, ILIL13,5020.5%+0.3 pts

24Winnebago County, ILIL283,6740.5%−0.1 pts

25McLean County, ILIL171,4190.5%−0.2 pts

26Pope County, ILIL3,6720.5%+0.4 pts

27Carroll County, ILIL15,4190.4%−0.4 pts

28Menard County, ILIL11,8630.4%0.0 pts

29Cass County, ILIL12,4630.4%+0.3 pts

30Bureau County, ILIL32,5100.4%−0.9 pts

31Fulton County, ILIL32,9010.4%+0.2 pts

32McHenry County, ILIL317,7510.4%+0.1 pts

33Monroe County, ILIL34,8400.4%−0.4 pts

34Coles County, ILIL46,6070.4%−0.3 pts

35Lee County, ILIL32,9140.4%−0.2 pts

36Boone County, ILIL53,5680.3%−0.2 pts

37Sangamon County, ILIL194,1700.3%0.0 pts

38Crawford County, ILIL18,6480.3%−0.6 pts

39White County, ILIL13,2500.3%−0.1 pts

40Perry County, ILIL20,1600.3%+0.1 pts

41Whiteside County, ILIL54,1210.3%0.0 pts

42Wayne County, ILIL15,8820.3%−0.1 pts

43Jefferson County, ILIL36,1470.3%+0.1 pts

44Lawrence County, ILIL13,7900.3%+0.1 pts

45Montgomery County, ILIL28,0760.3%+0.2 pts

46Champaign County, ILIL209,9720.3%−0.2 pts

47Kankakee County, ILIL105,5250.3%+0.1 pts

48DuPage County, ILIL934,2980.3%−0.1 pts

49Kane County, ILIL525,7570.3%−0.1 pts

50Jackson County, ILIL52,5010.3%−0.1 pts

51Macoupin County, ILIL43,7480.3%+0.1 pts

52Mercer County, ILIL15,2290.3%0.0 pts

53Logan County, ILIL27,1820.2%−0.1 pts

54Warren County, ILIL16,2220.2%0.0 pts

55Lake County, ILIL719,3390.2%−0.1 pts

56Rock Island County, ILIL141,8690.2%−0.1 pts

57Williamson County, ILIL67,2250.2%+0.2 pts

58Morgan County, ILIL32,5150.2%+0.1 pts

59Christian County, ILIL33,4430.2%0.0 pts

60Adams County, ILIL64,2670.2%−0.2 pts

61Calhoun County, ILIL4,3000.2%0.0 pts

62Henderson County, ILIL5,9840.2%–

63Knox County, ILIL47,7670.2%0.0 pts

64St. Clair County, ILIL250,7080.2%−0.1 pts

65De Witt County, ILIL15,1180.2%−0.4 pts

66Piatt County, ILIL16,7910.2%−0.3 pts

67Kendall County, ILIL145,4700.2%−0.2 pts

68Ford County, ILIL13,2160.2%−0.6 pts

69Shelby County, ILIL20,5760.2%+0.1 pts

70Macon County, ILIL99,3000.2%0.0 pts

71Clinton County, ILIL37,1280.2%−0.5 pts

72Scott County, ILIL4,8660.2%0.0 pts

73Hardin County, ILIL3,5880.2%–

74Cook County, ILIL5,194,6250.2%0.0 pts

75Washington County, ILIL13,5640.2%+0.1 pts

76McDonough County, ILIL25,9160.1%−0.1 pts

77Grundy County, ILIL54,0520.1%−0.1 pts

78Will County, ILIL712,2530.1%−0.1 pts

79Randolph County, ILIL29,9210.1%0.0 pts

80Union County, ILIL16,6560.1%−0.8 pts

81Vermilion County, ILIL71,2590.1%−0.1 pts

82Saline County, ILIL22,7720.1%−0.1 pts

83Schuyler County, ILIL6,6570.1%0.0 pts

84LaSalle County, ILIL107,7730.1%−0.1 pts

85Mason County, ILIL12,4110.1%−0.2 pts

86Pulaski County, ILIL4,8200.1%0.0 pts

87Marion County, ILIL36,3820.1%−0.2 pts

88Hancock County, ILIL16,8030.1%−0.1 pts

89Henry County, ILIL48,0950.1%−0.3 pts

90Pike County, ILIL14,2310.1%+0.1 pts

91Johnson County, ILIL13,3630.1%−0.2 pts

92Hamilton County, ILIL7,8590.0%–

93Franklin County, ILIL36,9160.0%−0.2 pts

94Cumberland County, ILIL10,2080.0%−0.3 pts

95Edgar County, ILIL16,3230.0%−0.3 pts

96Jersey County, ILIL21,1600.0%−0.2 pts

97Wabash County, ILIL10,9070.0%–

98Fayette County, ILIL20,7900.0%−0.4 pts

99Clark County, ILIL15,1140.0%−0.4 pts

SHOWING 1–99 OF 99

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