RANKING · 2020 CENSUS · 101 SHOWN OF 101

Highest Swedish population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Swedish ancestry (2023 American Community Survey). A concentration measure: Swedish residents as a percentage of total population. This list covers the 101 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

RANKPLACESTATEPOPSWEDISH SHAREVS 2000

01Henry County, ILIL48,0959.0%–

02Mercer County, ILIL15,2298.9%–

03Knox County, ILIL47,7677.8%–

04Winnebago County, ILIL283,6747.4%–

05Boone County, ILIL53,5687.4%–

06Ogle County, ILIL51,3996.1%–

07Warren County, ILIL16,2225.8%–

08Rock Island County, ILIL141,8695.2%–

09DeKalb County, ILIL101,8355.1%–

10Henderson County, ILIL5,9844.9%–

11Bureau County, ILIL32,5104.8%–

12Stark County, ILIL5,3194.7%–

13Putnam County, ILIL5,6194.5%–

14McDonough County, ILIL25,9163.9%–

15Jo Daviess County, ILIL21,5943.8%–

16McHenry County, ILIL317,7513.8%–

17Ford County, ILIL13,2163.1%–

18Marshall County, ILIL11,4733.1%–

19Stephenson County, ILIL43,2202.7%–

20Kane County, ILIL525,7572.7%–

21Lee County, ILIL32,9142.5%–

22Whiteside County, ILIL54,1212.5%–

23DuPage County, ILIL934,2982.4%–

24Lake County, ILIL719,3392.3%–

25Fulton County, ILIL32,9012.3%–

26Kankakee County, ILIL105,5252.2%–

27Carroll County, ILIL15,4192.1%–

28McLean County, ILIL171,4192.1%–

29Grundy County, ILIL54,0522.0%–

30Will County, ILIL712,2532.0%–

31LaSalle County, ILIL107,7731.8%–

32Schuyler County, ILIL6,6571.8%–

33Fayette County, ILIL20,7901.8%–

34Tazewell County, ILIL130,0491.8%–

35Iroquois County, ILIL26,1501.7%–

36Peoria County, ILIL178,5531.7%–

37Woodford County, ILIL38,1111.6%–

38Hancock County, ILIL16,8031.6%–

39Kendall County, ILIL145,4701.6%–

40Cass County, ILIL12,4631.5%–

41Menard County, ILIL11,8631.5%–

42Piatt County, ILIL16,7911.5%–

43Christian County, ILIL33,4431.4%–

44Coles County, ILIL46,6071.3%–

45Adams County, ILIL64,2671.3%–

46Richland County, ILIL15,2191.3%–

47Mason County, ILIL12,4111.3%–

48De Witt County, ILIL15,1181.3%–

49Cook County, ILIL5,194,6251.2%–

50Champaign County, ILIL209,9721.2%–

51Montgomery County, ILIL28,0761.2%–

52Logan County, ILIL27,1821.1%–

53Cumberland County, ILIL10,2081.1%–

54Monroe County, ILIL34,8401.1%–

55Sangamon County, ILIL194,1701.1%–

56Hardin County, ILIL3,5881.1%–

57Moultrie County, ILIL14,3711.1%–

58Shelby County, ILIL20,5761.0%–

59Effingham County, ILIL34,5191.0%–

60Livingston County, ILIL35,0571.0%–

61Macon County, ILIL99,3001.0%–

62Vermilion County, ILIL71,2590.9%–

63Morgan County, ILIL32,5150.9%–

64Edgar County, ILIL16,3230.9%–

65Franklin County, ILIL36,9160.8%–

66Union County, ILIL16,6560.8%–

67Clark County, ILIL15,1140.8%–

68Douglas County, ILIL19,8800.8%–

69Wayne County, ILIL15,8820.8%–

70Jefferson County, ILIL36,1470.7%–

71Bond County, ILIL16,9590.7%–

72Jackson County, ILIL52,5010.7%–

73Madison County, ILIL263,1100.7%–

74Scott County, ILIL4,8660.7%–

75Jersey County, ILIL21,1600.7%–

76Clay County, ILIL12,7930.6%–

77Williamson County, ILIL67,2250.6%–

78St. Clair County, ILIL250,7080.5%–

79Randolph County, ILIL29,9210.5%–

80Perry County, ILIL20,1600.5%–

81Wabash County, ILIL10,9070.5%–

82Massac County, ILIL13,5020.5%–

83Hamilton County, ILIL7,8590.5%–

84Clinton County, ILIL37,1280.5%–

85Washington County, ILIL13,5640.5%–

86Brown County, ILIL6,4010.4%–

87Marion County, ILIL36,3820.4%–

88Macoupin County, ILIL43,7480.4%–

89White County, ILIL13,2500.4%–

90Greene County, ILIL11,3130.4%–

91Crawford County, ILIL18,6480.4%–

92Saline County, ILIL22,7720.3%–

93Jasper County, ILIL9,0320.3%–

94Johnson County, ILIL13,3630.3%–

95Pike County, ILIL14,2310.3%–

96Pulaski County, ILIL4,8200.2%–

97Alexander County, ILIL4,5700.2%–

98Lawrence County, ILIL13,7900.2%–

99Calhoun County, ILIL4,3000.2%–

100Edwards County, ILIL5,8980.1%–

101Pope County, ILIL3,6720.1%–

SHOWING 1–101 OF 101

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