RANKING · 2010 CENSUS · 97 SHOWN OF 97

Highest Swiss population share, Illinois counties · 2010

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 97 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

01Woodford County, ILIL38,1113.2%–

02Stephenson County, ILIL43,2202.9%–

03Livingston County, ILIL35,0571.8%–

04Richland County, ILIL15,2191.4%–

05Jo Daviess County, ILIL21,5941.4%–

06Bond County, ILIL16,9591.3%–

07Bureau County, ILIL32,5101.3%–

08Greene County, ILIL11,3131.2%–

09Douglas County, ILIL19,8801.0%–

10Tazewell County, ILIL130,0491.0%–

11Crawford County, ILIL18,6480.9%–

12Union County, ILIL16,6560.9%–

13Peoria County, ILIL178,5530.9%–

14Carroll County, ILIL15,4190.8%–

15Ford County, ILIL13,2160.8%–

16Iroquois County, ILIL26,1500.7%–

17Moultrie County, ILIL14,3710.7%–

18Monroe County, ILIL34,8400.7%–

19McLean County, ILIL171,4190.7%–

20Clinton County, ILIL37,1280.7%–

21Madison County, ILIL263,1100.7%–

22Coles County, ILIL46,6070.6%–

23De Witt County, ILIL15,1180.6%–

24Stark County, ILIL5,3190.6%–

25Winnebago County, ILIL283,6740.6%–

26Ogle County, ILIL51,3990.6%–

27Boone County, ILIL53,5680.5%–

28Lee County, ILIL32,9140.5%–

29Champaign County, ILIL209,9720.5%–

30Piatt County, ILIL16,7910.5%–

31Marshall County, ILIL11,4730.5%–

32Kendall County, ILIL145,4700.4%–

33Wayne County, ILIL15,8820.4%–

34Jackson County, ILIL52,5010.4%–

35Henry County, ILIL48,0950.4%–

36Fayette County, ILIL20,7900.4%–

37Clark County, ILIL15,1140.4%–

38White County, ILIL13,2500.4%–

39Kane County, ILIL525,7570.4%–

40Logan County, ILIL27,1820.4%–

41Adams County, ILIL64,2670.4%–

42Menard County, ILIL11,8630.4%–

43DeKalb County, ILIL101,8350.4%–

44DuPage County, ILIL934,2980.4%–

45Rock Island County, ILIL141,8690.4%–

46Marion County, ILIL36,3820.3%–

47Cumberland County, ILIL10,2080.3%–

48Lake County, ILIL719,3390.3%–

49St. Clair County, ILIL250,7080.3%–

50Edgar County, ILIL16,3230.3%–

51Effingham County, ILIL34,5190.3%–

52Mason County, ILIL12,4110.3%–

53Sangamon County, ILIL194,1700.3%–

54McHenry County, ILIL317,7510.3%–

55Franklin County, ILIL36,9160.3%–

56Whiteside County, ILIL54,1210.3%–

57Edwards County, ILIL5,8980.3%–

58Christian County, ILIL33,4430.3%–

59Putnam County, ILIL5,6190.3%–

60Mercer County, ILIL15,2290.2%–

61Brown County, ILIL6,4010.2%–

62Grundy County, ILIL54,0520.2%–

63Johnson County, ILIL13,3630.2%–

64LaSalle County, ILIL107,7730.2%–

65Knox County, ILIL47,7670.2%–

66Jersey County, ILIL21,1600.2%–

67Perry County, ILIL20,1600.2%–

68Will County, ILIL712,2530.2%–

69Lawrence County, ILIL13,7900.2%–

70McDonough County, ILIL25,9160.2%–

71Warren County, ILIL16,2220.2%–

72Macon County, ILIL99,3000.2%–

73Hancock County, ILIL16,8030.2%–

74Fulton County, ILIL32,9010.2%–

75Calhoun County, ILIL4,3000.2%–

76Vermilion County, ILIL71,2590.2%–

77Jefferson County, ILIL36,1470.2%–

78Saline County, ILIL22,7720.2%–

79Massac County, ILIL13,5020.2%–

80Morgan County, ILIL32,5150.2%–

81Scott County, ILIL4,8660.2%–

82Cook County, ILIL5,194,6250.2%–

83Kankakee County, ILIL105,5250.1%–

84Jasper County, ILIL9,0320.1%–

85Macoupin County, ILIL43,7480.1%–

86Clay County, ILIL12,7930.1%–

87Montgomery County, ILIL28,0760.1%–

88Shelby County, ILIL20,5760.1%–

89Randolph County, ILIL29,9210.1%–

90Schuyler County, ILIL6,6570.1%–

91Pope County, ILIL3,6720.1%–

92Washington County, ILIL13,5640.1%–

93Williamson County, ILIL67,2250.1%–

94Cass County, ILIL12,4630.1%–

95Pulaski County, ILIL4,8200.1%–

96Gallatin County, ILIL4,6160.1%–

97Pike County, ILIL14,2310.0%–

SHOWING 1–97 OF 97

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