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 (2020 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. The median across all 101 is 1.2%.

Swedish Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWEDISH SHAREVS 2010

01Henry County, ILIL48,0959.0%−3.3 pts

02Mercer County, ILIL15,2298.9%−0.5 pts

03Knox County, ILIL47,7677.8%−3.8 pts

04Winnebago County, ILIL283,6747.4%−1.4 pts

05Boone County, ILIL53,5687.4%+0.3 pts

06Ogle County, ILIL51,3996.1%+0.8 pts

07Warren County, ILIL16,2225.8%−4.2 pts

08Rock Island County, ILIL141,8695.2%−1.6 pts

09DeKalb County, ILIL101,8355.1%−1.2 pts

10Henderson County, ILIL5,9844.9%−1.0 pts

11Bureau County, ILIL32,5104.8%−2.8 pts

12Stark County, ILIL5,3194.7%−5.1 pts

13Putnam County, ILIL5,6194.5%−0.5 pts

14McDonough County, ILIL25,9163.9%+0.8 pts

15Jo Daviess County, ILIL21,5943.8%+1.2 pts

16McHenry County, ILIL317,7513.8%−0.6 pts

17Ford County, ILIL13,2163.1%−0.5 pts

18Marshall County, ILIL11,4733.1%−0.9 pts

19Stephenson County, ILIL43,2202.7%−1.0 pts

20Kane County, ILIL525,7572.7%−0.9 pts

21Lee County, ILIL32,9142.5%−0.8 pts

22Whiteside County, ILIL54,1212.5%−1.2 pts

23DuPage County, ILIL934,2982.4%−0.5 pts

24Lake County, ILIL719,3392.3%−0.6 pts

25Fulton County, ILIL32,9012.3%+0.1 pts

26Kankakee County, ILIL105,5252.2%−0.1 pts

27Carroll County, ILIL15,4192.1%−1.6 pts

28McLean County, ILIL171,4192.1%−0.2 pts

29Grundy County, ILIL54,0522.0%−0.6 pts

30Will County, ILIL712,2532.0%−0.7 pts

31LaSalle County, ILIL107,7731.8%−1.0 pts

32Schuyler County, ILIL6,6571.8%−0.5 pts

33Fayette County, ILIL20,7901.8%+1.4 pts

34Tazewell County, ILIL130,0491.8%−0.3 pts

35Iroquois County, ILIL26,1501.7%−0.9 pts

36Peoria County, ILIL178,5531.7%−0.9 pts

37Woodford County, ILIL38,1111.6%−0.6 pts

38Hancock County, ILIL16,8031.6%−1.2 pts

39Kendall County, ILIL145,4701.6%−1.6 pts

40Cass County, ILIL12,4631.5%+0.2 pts

41Menard County, ILIL11,8631.5%−0.4 pts

42Piatt County, ILIL16,7911.5%−0.7 pts

43Christian County, ILIL33,4431.4%+0.9 pts

44Coles County, ILIL46,6071.3%0.0 pts

45Adams County, ILIL64,2671.3%+0.1 pts

46Richland County, ILIL15,2191.3%+0.5 pts

47Mason County, ILIL12,4111.3%0.0 pts

48De Witt County, ILIL15,1181.3%+0.3 pts

49Cook County, ILIL5,194,6251.2%−0.3 pts

50Champaign County, ILIL209,9721.2%−0.8 pts

51Montgomery County, ILIL28,0761.2%+0.6 pts

52Logan County, ILIL27,1821.1%−0.5 pts

53Cumberland County, ILIL10,2081.1%+0.3 pts

54Monroe County, ILIL34,8401.1%+0.7 pts

55Sangamon County, ILIL194,1701.1%−0.1 pts

56Hardin County, ILIL3,5881.1%+0.2 pts

57Moultrie County, ILIL14,3711.1%+0.1 pts

58Shelby County, ILIL20,5761.0%+0.6 pts

59Effingham County, ILIL34,5191.0%+0.3 pts

60Livingston County, ILIL35,0571.0%−1.2 pts

61Macon County, ILIL99,3001.0%−0.1 pts

62Vermilion County, ILIL71,2590.9%−0.5 pts

63Morgan County, ILIL32,5150.9%−0.4 pts

64Edgar County, ILIL16,3230.9%+0.2 pts

65Franklin County, ILIL36,9160.8%+0.1 pts

66Union County, ILIL16,6560.8%0.0 pts

67Clark County, ILIL15,1140.8%+0.2 pts

68Douglas County, ILIL19,8800.8%−0.1 pts

69Wayne County, ILIL15,8820.8%+0.1 pts

70Jefferson County, ILIL36,1470.7%−0.1 pts

71Bond County, ILIL16,9590.7%+0.4 pts

72Jackson County, ILIL52,5010.7%−0.7 pts

73Madison County, ILIL263,1100.7%−0.2 pts

74Scott County, ILIL4,8660.7%0.0 pts

75Jersey County, ILIL21,1600.7%−0.7 pts

76Clay County, ILIL12,7930.6%−0.9 pts

77Williamson County, ILIL67,2250.6%−0.7 pts

78St. Clair County, ILIL250,7080.5%−0.3 pts

79Randolph County, ILIL29,9210.5%0.0 pts

80Perry County, ILIL20,1600.5%−0.2 pts

81Wabash County, ILIL10,9070.5%−0.4 pts

82Massac County, ILIL13,5020.5%−0.2 pts

83Hamilton County, ILIL7,8590.5%−0.3 pts

84Clinton County, ILIL37,1280.5%−0.2 pts

85Washington County, ILIL13,5640.5%+0.1 pts

86Brown County, ILIL6,4010.4%−0.6 pts

87Marion County, ILIL36,3820.4%−0.2 pts

88Macoupin County, ILIL43,7480.4%−0.7 pts

89White County, ILIL13,2500.4%−0.5 pts

90Greene County, ILIL11,3130.4%−0.4 pts

91Crawford County, ILIL18,6480.4%−0.3 pts

92Saline County, ILIL22,7720.3%−0.4 pts

93Jasper County, ILIL9,0320.3%−0.1 pts

94Johnson County, ILIL13,3630.3%−0.5 pts

95Pike County, ILIL14,2310.3%−0.6 pts

96Pulaski County, ILIL4,8200.2%−0.1 pts

97Alexander County, ILIL4,5700.2%−0.1 pts

98Lawrence County, ILIL13,7900.2%−0.2 pts

99Calhoun County, ILIL4,3000.2%0.0 pts

100Edwards County, ILIL5,8980.1%−0.6 pts

101Pope County, ILIL3,6720.1%−1.3 pts

SHOWING 1–101 OF 101

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