RANKING · 2010 CENSUS · 97 SHOWN OF 97

Largest Swiss population, Illinois counties · 2010

Illinois counties ranked by the number of residents who are Swiss 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 97 counties in Illinois that qualify, ranked against each other statewide. The median across all 97 is 115.

Swiss 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

RANKPLACESTATEPOPSWISS POPULATIONVS –

01Cook County, ILIL5,194,6258,432–

02DuPage County, ILIL934,2983,278–

03Lake County, ILIL719,3392,317–

04Kane County, ILIL525,7571,914–

05Winnebago County, ILIL283,6741,829–

06Madison County, ILIL263,1101,750–

07Peoria County, ILIL178,5531,594–

08Will County, ILIL712,2531,472–

09Stephenson County, ILIL43,2201,393–

10Tazewell County, ILIL130,0491,336–

11Woodford County, ILIL38,1111,223–

12McLean County, ILIL171,4191,197–

13Champaign County, ILIL209,972947–

14McHenry County, ILIL317,751919–

15St. Clair County, ILIL250,708853–

16Livingston County, ILIL35,057711–

17Sangamon County, ILIL194,170589–

18Rock Island County, ILIL141,869517–

19Kendall County, ILIL145,470453–

20Bureau County, ILIL32,510444–

21DeKalb County, ILIL101,835379–

22Coles County, ILIL46,607342–

23Jo Daviess County, ILIL21,594309–

24Ogle County, ILIL51,399295–

25Boone County, ILIL53,568290–

26LaSalle County, ILIL107,773275–

27Adams County, ILIL64,267253–

28Clinton County, ILIL37,128251–

29Jackson County, ILIL52,501243–

30Monroe County, ILIL34,840237–

31Bond County, ILIL16,959231–

32Iroquois County, ILIL26,150225–

33Macon County, ILIL99,300225–

34Richland County, ILIL15,219221–

35Douglas County, ILIL19,880205–

36Henry County, ILIL48,095204–

37Crawford County, ILIL18,648186–

38Lee County, ILIL32,914183–

39Greene County, ILIL11,313172–

40Kankakee County, ILIL105,525165–

41Union County, ILIL16,656165–

42Whiteside County, ILIL54,121163–

43Vermilion County, ILIL71,259158–

44Marion County, ILIL36,382138–

45Carroll County, ILIL15,419123–

46Grundy County, ILIL54,052120–

47Knox County, ILIL47,767119–

48Franklin County, ILIL36,916115–

49Logan County, ILIL27,182115–

50Ford County, ILIL13,216111–

51Moultrie County, ILIL14,371110–

52Effingham County, ILIL34,519108–

53De Witt County, ILIL15,118106–

54Christian County, ILIL33,44388–

55Fayette County, ILIL20,79088–

56Piatt County, ILIL16,79176–

57Fulton County, ILIL32,90174–

58Jefferson County, ILIL36,14771–

59McDonough County, ILIL25,91671–

60Wayne County, ILIL15,88269–

61Macoupin County, ILIL43,74867–

62Clark County, ILIL15,11465–

63Edgar County, ILIL16,32360–

64Morgan County, ILIL32,51560–

65Marshall County, ILIL11,47358–

66White County, ILIL13,25058–

67Jersey County, ILIL21,16051–

68Perry County, ILIL20,16050–

69Williamson County, ILIL67,22550–

70Menard County, ILIL11,86347–

71Mason County, ILIL12,41146–

72Saline County, ILIL22,77245–

73Mercer County, ILIL15,22941–

74Hancock County, ILIL16,80339–

75Montgomery County, ILIL28,07639–

76Cumberland County, ILIL10,20838–

77Stark County, ILIL5,31938–

78Warren County, ILIL16,22238–

79Lawrence County, ILIL13,79037–

80Randolph County, ILIL29,92136–

81Johnson County, ILIL13,36331–

82Massac County, ILIL13,50226–

83Shelby County, ILIL20,57625–

84Clay County, ILIL12,79318–

85Edwards County, ILIL5,89818–

86Brown County, ILIL6,40117–

87Putnam County, ILIL5,61915–

88Jasper County, ILIL9,03214–

89Washington County, ILIL13,56412–

90Calhoun County, ILIL4,30010–

91Cass County, ILIL12,4639–

92Scott County, ILIL4,8669–

93Schuyler County, ILIL6,6577–

94Pope County, ILIL3,6724–

95Pulaski County, ILIL4,8204–

96Gallatin County, ILIL4,6163–

97Pike County, ILIL14,2313–

SHOWING 1–97 OF 97

Download CSV (full list, 97 rows)

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