RANKING · 2010 CENSUS · 102 SHOWN OF 102

Highest Swedish population share, Illinois counties · 2010

Illinois counties ranked by the share of all residents who are Swedish ancestry (2010 American Community Survey). A concentration measure: Swedish residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

Swedish Americans: full group profile →

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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

RANKPLACESTATEPOPSWEDISH SHAREVS –

01Henry County, ILIL48,09512.3%–

02Knox County, ILIL47,76711.6%–

03Warren County, ILIL16,22210.0%–

04Stark County, ILIL5,3199.8%–

05Mercer County, ILIL15,2299.4%–

06Winnebago County, ILIL283,6748.7%–

07Bureau County, ILIL32,5107.6%–

08Boone County, ILIL53,5687.1%–

09Rock Island County, ILIL141,8696.8%–

10DeKalb County, ILIL101,8356.3%–

11Henderson County, ILIL5,9845.9%–

12Ogle County, ILIL51,3995.3%–

13Putnam County, ILIL5,6195.1%–

14McHenry County, ILIL317,7514.4%–

15Marshall County, ILIL11,4733.9%–

16Carroll County, ILIL15,4193.7%–

17Whiteside County, ILIL54,1213.7%–

18Stephenson County, ILIL43,2203.7%–

19Ford County, ILIL13,2163.7%–

20Kane County, ILIL525,7573.6%–

21Lee County, ILIL32,9143.4%–

22Kendall County, ILIL145,4703.1%–

23McDonough County, ILIL25,9163.1%–

24DuPage County, ILIL934,2983.0%–

25Lake County, ILIL719,3393.0%–

26LaSalle County, ILIL107,7732.8%–

27Hancock County, ILIL16,8032.8%–

28Iroquois County, ILIL26,1502.7%–

29Will County, ILIL712,2532.6%–

30Peoria County, ILIL178,5532.6%–

31Grundy County, ILIL54,0522.6%–

32Jo Daviess County, ILIL21,5942.6%–

33Schuyler County, ILIL6,6572.3%–

34Kankakee County, ILIL105,5252.3%–

35McLean County, ILIL171,4192.3%–

36Woodford County, ILIL38,1112.3%–

37Fulton County, ILIL32,9012.2%–

38Livingston County, ILIL35,0572.2%–

39Piatt County, ILIL16,7912.2%–

40Champaign County, ILIL209,9722.1%–

41Tazewell County, ILIL130,0492.0%–

42Menard County, ILIL11,8631.9%–

43Logan County, ILIL27,1821.6%–

44Cook County, ILIL5,194,6251.5%–

45Clay County, ILIL12,7931.5%–

46Pope County, ILIL3,6721.4%–

47Vermilion County, ILIL71,2591.4%–

48Jackson County, ILIL52,5011.4%–

49Jersey County, ILIL21,1601.4%–

50Coles County, ILIL46,6071.3%–

51Cass County, ILIL12,4631.3%–

52Morgan County, ILIL32,5151.3%–

53Mason County, ILIL12,4111.3%–

54Sangamon County, ILIL194,1701.2%–

55Williamson County, ILIL67,2251.2%–

56Adams County, ILIL64,2671.2%–

57Macoupin County, ILIL43,7481.1%–

58Macon County, ILIL99,3001.1%–

59Brown County, ILIL6,4011.0%–

60De Witt County, ILIL15,1181.0%–

61Wabash County, ILIL10,9071.0%–

62Moultrie County, ILIL14,3710.9%–

63Hardin County, ILIL3,5880.9%–

64Pike County, ILIL14,2310.9%–

65White County, ILIL13,2500.9%–

66Madison County, ILIL263,1100.9%–

67Cumberland County, ILIL10,2080.9%–

68Jefferson County, ILIL36,1470.9%–

69Union County, ILIL16,6560.9%–

70Johnson County, ILIL13,3630.8%–

71Douglas County, ILIL19,8800.8%–

72St. Clair County, ILIL250,7080.8%–

73Edwards County, ILIL5,8980.8%–

74Greene County, ILIL11,3130.8%–

75Effingham County, ILIL34,5190.8%–

76Saline County, ILIL22,7720.8%–

77Franklin County, ILIL36,9160.7%–

78Richland County, ILIL15,2190.7%–

79Hamilton County, ILIL7,8590.7%–

80Edgar County, ILIL16,3230.7%–

81Perry County, ILIL20,1600.7%–

82Clinton County, ILIL37,1280.7%–

83Crawford County, ILIL18,6480.6%–

84Massac County, ILIL13,5020.6%–

85Clark County, ILIL15,1140.6%–

86Scott County, ILIL4,8660.6%–

87Wayne County, ILIL15,8820.6%–

88Marion County, ILIL36,3820.6%–

89Montgomery County, ILIL28,0760.6%–

90Christian County, ILIL33,4430.6%–

91Gallatin County, ILIL4,6160.5%–

92Randolph County, ILIL29,9210.5%–

93Jasper County, ILIL9,0320.5%–

94Shelby County, ILIL20,5760.5%–

95Lawrence County, ILIL13,7900.4%–

96Fayette County, ILIL20,7900.4%–

97Monroe County, ILIL34,8400.4%–

98Washington County, ILIL13,5640.3%–

99Bond County, ILIL16,9590.3%–

100Alexander County, ILIL4,5700.3%–

101Pulaski County, ILIL4,8200.3%–

102Calhoun County, ILIL4,3000.2%–

SHOWING 1–102 OF 102

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS