RANKING · 2020 CENSUS · 102 SHOWN OF 102

Highest uninsured rate, Illinois counties · 2020

Illinois counties ranked by the share of residents without health insurance (2020 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS –

01Douglas County, ILIL19,88015.9%–

02Moultrie County, ILIL14,37114.2%–

03Wayne County, ILIL15,88210.5%–

04Cook County, ILIL5,194,6258.7%–

05Hamilton County, ILIL7,8598.4%–

06Kane County, ILIL525,7578.2%–

07Schuyler County, ILIL6,6578.2%–

08Alexander County, ILIL4,5707.9%–

09Lawrence County, ILIL13,7907.8%–

10Fayette County, ILIL20,7907.7%–

11Massac County, ILIL13,5027.1%–

12Coles County, ILIL46,6077.0%–

13Jackson County, ILIL52,5016.9%–

14Crawford County, ILIL18,6486.8%–

15Jasper County, ILIL9,0326.7%–

16Marion County, ILIL36,3826.5%–

17Lake County, ILIL719,3396.4%–

18Brown County, ILIL6,4016.2%–

19Iroquois County, ILIL26,1506.2%–

20Jefferson County, ILIL36,1476.2%–

21Peoria County, ILIL178,5536.2%–

22Union County, ILIL16,6566.2%–

23White County, ILIL13,2506.2%–

24Bond County, ILIL16,9596.1%–

25Edwards County, ILIL5,8986.1%–

26Wabash County, ILIL10,9076.1%–

27Winnebago County, ILIL283,6746.1%–

28St. Clair County, ILIL250,7085.9%–

29Pike County, ILIL14,2315.8%–

30Williamson County, ILIL67,2255.8%–

31Saline County, ILIL22,7725.7%–

32Franklin County, ILIL36,9165.7%–

33Fulton County, ILIL32,9015.7%–

34Rock Island County, ILIL141,8695.6%–

35Greene County, ILIL11,3135.6%–

36Warren County, ILIL16,2225.6%–

37Hardin County, ILIL3,5885.5%–

38Mason County, ILIL12,4115.5%–

39Vermilion County, ILIL71,2595.5%–

40DuPage County, ILIL934,2985.4%–

41Effingham County, ILIL34,5195.4%–

42Kankakee County, ILIL105,5255.4%–

43McDonough County, ILIL25,9165.4%–

44Whiteside County, ILIL54,1215.4%–

45Carroll County, ILIL15,4195.3%–

46Boone County, ILIL53,5685.3%–

47Clay County, ILIL12,7935.2%–

48Knox County, ILIL47,7675.2%–

49DeKalb County, ILIL101,8355.1%–

50Jo Daviess County, ILIL21,5945.1%–

51Stephenson County, ILIL43,2205.1%–

52Will County, ILIL712,2535.1%–

53Stark County, ILIL5,3195.0%–

54Cumberland County, ILIL10,2084.9%–

55Ford County, ILIL13,2164.9%–

56McHenry County, ILIL317,7514.9%–

57Madison County, ILIL263,1104.9%–

58Randolph County, ILIL29,9214.9%–

59Adams County, ILIL64,2674.8%–

60Bureau County, ILIL32,5104.8%–

61Cass County, ILIL12,4634.8%–

62Christian County, ILIL33,4434.8%–

63Edgar County, ILIL16,3234.8%–

64Livingston County, ILIL35,0574.7%–

65Pulaski County, ILIL4,8204.7%–

66Henry County, ILIL48,0954.5%–

67Marshall County, ILIL11,4734.5%–

68Tazewell County, ILIL130,0494.5%–

69Champaign County, ILIL209,9724.4%–

70Ogle County, ILIL51,3994.4%–

71Kendall County, ILIL145,4704.3%–

72Macon County, ILIL99,3004.3%–

73Henderson County, ILIL5,9844.2%–

74Woodford County, ILIL38,1114.2%–

75Clinton County, ILIL37,1284.1%–

76Macoupin County, ILIL43,7484.1%–

77Johnson County, ILIL13,3634.0%–

78LaSalle County, ILIL107,7734.0%–

79McLean County, ILIL171,4194.0%–

80Montgomery County, ILIL28,0764.0%–

81De Witt County, ILIL15,1183.9%–

82Jersey County, ILIL21,1603.9%–

83Piatt County, ILIL16,7913.9%–

84Morgan County, ILIL32,5153.8%–

85Shelby County, ILIL20,5763.8%–

86Sangamon County, ILIL194,1703.7%–

87Clark County, ILIL15,1143.7%–

88Logan County, ILIL27,1823.7%–

89Perry County, ILIL20,1603.7%–

90Grundy County, ILIL54,0523.6%–

91Hancock County, ILIL16,8033.6%–

92Lee County, ILIL32,9143.6%–

93Mercer County, ILIL15,2293.5%–

94Richland County, ILIL15,2193.5%–

95Gallatin County, ILIL4,6163.4%–

96Scott County, ILIL4,8663.1%–

97Putnam County, ILIL5,6192.8%–

98Washington County, ILIL13,5642.7%–

99Monroe County, ILIL34,8402.5%–

100Menard County, ILIL11,8632.4%–

101Pope County, ILIL3,6722.2%–

102Calhoun County, ILIL4,3001.0%–

SHOWING 1–102 OF 102

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS