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 (2023 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.

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

RANKPLACESTATEPOPSWISS SHAREVS 2000

01Moultrie County, ILIL14,3713.0%–

02Stark County, ILIL5,3192.9%–

03Woodford County, ILIL38,1112.5%–

04Stephenson County, ILIL43,2202.2%–

05Livingston County, ILIL35,0571.4%–

06Brown County, ILIL6,4011.2%–

07Edwards County, ILIL5,8981.2%–

08Bond County, ILIL16,9591.0%–

09Richland County, ILIL15,2190.9%–

10Tazewell County, ILIL130,0490.9%–

11Peoria County, ILIL178,5530.7%–

12Douglas County, ILIL19,8800.7%–

13Iroquois County, ILIL26,1500.7%–

14Jo Daviess County, ILIL21,5940.7%–

15Putnam County, ILIL5,6190.6%–

16Marshall County, ILIL11,4730.6%–

17Madison County, ILIL263,1100.5%–

18Ogle County, ILIL51,3990.5%–

19Jasper County, ILIL9,0320.5%–

20Effingham County, ILIL34,5190.5%–

21Greene County, ILIL11,3130.5%–

22DeKalb County, ILIL101,8350.5%–

23Massac County, ILIL13,5020.5%–

24Winnebago County, ILIL283,6740.5%–

25McLean County, ILIL171,4190.5%–

26Pope County, ILIL3,6720.5%–

27Carroll County, ILIL15,4190.4%–

28Menard County, ILIL11,8630.4%–

29Cass County, ILIL12,4630.4%–

30Bureau County, ILIL32,5100.4%–

31Fulton County, ILIL32,9010.4%–

32McHenry County, ILIL317,7510.4%–

33Monroe County, ILIL34,8400.4%–

34Coles County, ILIL46,6070.4%–

35Lee County, ILIL32,9140.4%–

36Boone County, ILIL53,5680.3%–

37Sangamon County, ILIL194,1700.3%–

38Crawford County, ILIL18,6480.3%–

39White County, ILIL13,2500.3%–

40Perry County, ILIL20,1600.3%–

41Whiteside County, ILIL54,1210.3%–

42Wayne County, ILIL15,8820.3%–

43Jefferson County, ILIL36,1470.3%–

44Lawrence County, ILIL13,7900.3%–

45Montgomery County, ILIL28,0760.3%–

46Champaign County, ILIL209,9720.3%–

47Kankakee County, ILIL105,5250.3%–

48DuPage County, ILIL934,2980.3%–

49Kane County, ILIL525,7570.3%–

50Jackson County, ILIL52,5010.3%–

51Macoupin County, ILIL43,7480.3%–

52Mercer County, ILIL15,2290.3%–

53Logan County, ILIL27,1820.2%–

54Warren County, ILIL16,2220.2%–

55Lake County, ILIL719,3390.2%–

56Rock Island County, ILIL141,8690.2%–

57Williamson County, ILIL67,2250.2%–

58Morgan County, ILIL32,5150.2%–

59Christian County, ILIL33,4430.2%–

60Adams County, ILIL64,2670.2%–

61Calhoun County, ILIL4,3000.2%–

62Henderson County, ILIL5,9840.2%–

63Knox County, ILIL47,7670.2%–

64St. Clair County, ILIL250,7080.2%–

65De Witt County, ILIL15,1180.2%–

66Piatt County, ILIL16,7910.2%–

67Kendall County, ILIL145,4700.2%–

68Ford County, ILIL13,2160.2%–

69Shelby County, ILIL20,5760.2%–

70Macon County, ILIL99,3000.2%–

71Clinton County, ILIL37,1280.2%–

72Scott County, ILIL4,8660.2%–

73Hardin County, ILIL3,5880.2%–

74Cook County, ILIL5,194,6250.2%–

75Washington County, ILIL13,5640.2%–

76McDonough County, ILIL25,9160.1%–

77Grundy County, ILIL54,0520.1%–

78Will County, ILIL712,2530.1%–

79Randolph County, ILIL29,9210.1%–

80Union County, ILIL16,6560.1%–

81Vermilion County, ILIL71,2590.1%–

82Saline County, ILIL22,7720.1%–

83Schuyler County, ILIL6,6570.1%–

84LaSalle County, ILIL107,7730.1%–

85Mason County, ILIL12,4110.1%–

86Pulaski County, ILIL4,8200.1%–

87Marion County, ILIL36,3820.1%–

88Hancock County, ILIL16,8030.1%–

89Henry County, ILIL48,0950.1%–

90Pike County, ILIL14,2310.1%–

91Johnson County, ILIL13,3630.1%–

92Hamilton County, ILIL7,8590.0%–

93Franklin County, ILIL36,9160.0%–

94Cumberland County, ILIL10,2080.0%–

95Edgar County, ILIL16,3230.0%–

96Jersey County, ILIL21,1600.0%–

97Wabash County, ILIL10,9070.0%–

98Fayette County, ILIL20,7900.0%–

99Clark County, ILIL15,1140.0%–

SHOWING 1–99 OF 99

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES