RANKING · 2024 ACS · 102 SHOWN OF 102

Highest uninsured rate, Illinois counties

Illinois counties ranked by the share of residents without health insurance (2024 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 2020

01Douglas County, ILIL19,88015.4%−3%

02Moultrie County, ILIL14,37114.1%−1%

03Wayne County, ILIL15,88212.1%+15%

04Schuyler County, ILIL6,65710.4%+27%

05Alexander County, ILIL4,5709.5%+20%

06Cook County, ILIL5,194,6258.9%+2%

07Johnson County, ILIL13,3638.1%+102%

08Kane County, ILIL525,7577.8%−5%

09Massac County, ILIL13,5027.8%+10%

10Cass County, ILIL12,4637.7%+60%

11Hamilton County, ILIL7,8597.6%−10%

12McDonough County, ILIL25,9167.4%+37%

13Fayette County, ILIL20,7907.3%−5%

14Franklin County, ILIL36,9167.3%+28%

15Jefferson County, ILIL36,1477.2%+16%

16Coles County, ILIL46,6077.1%+1%

17Lake County, ILIL719,3396.9%+8%

18Lawrence County, ILIL13,7906.6%−15%

19Marion County, ILIL36,3826.4%−2%

20Union County, ILIL16,6566.4%+3%

21Jackson County, ILIL52,5016.3%−9%

22Winnebago County, ILIL283,6746.2%+2%

23Rock Island County, ILIL141,8696.1%+9%

24Richland County, ILIL15,2196.1%+74%

25Edwards County, ILIL5,8986.0%−2%

26Iroquois County, ILIL26,1506.0%−3%

27Carroll County, ILIL15,4195.8%+9%

28Peoria County, ILIL178,5535.8%−6%

29Stark County, ILIL5,3195.8%+16%

30Ford County, ILIL13,2165.7%+16%

31Hancock County, ILIL16,8035.7%+58%

32Kankakee County, ILIL105,5255.7%+6%

33Pike County, ILIL14,2315.7%−2%

34Boone County, ILIL53,5685.6%+6%

35Scott County, ILIL4,8665.5%+77%

36Saline County, ILIL22,7725.4%−5%

37Bureau County, ILIL32,5105.4%+13%

38Edgar County, ILIL16,3235.4%+13%

39Crawford County, ILIL18,6485.3%−22%

40Cumberland County, ILIL10,2085.3%+8%

41Effingham County, ILIL34,5195.3%−2%

42Randolph County, ILIL29,9215.3%+8%

43DuPage County, ILIL934,2985.2%−4%

44Champaign County, ILIL209,9725.2%+18%

45Livingston County, ILIL35,0575.2%+11%

46Stephenson County, ILIL43,2205.2%+2%

47Will County, ILIL712,2535.2%+2%

48Woodford County, ILIL38,1115.2%+24%

49St. Clair County, ILIL250,7085.1%−14%

50Clay County, ILIL12,7935.1%−2%

51DeKalb County, ILIL101,8355.1%+0%

52Tazewell County, ILIL130,0495.1%+13%

53Jasper County, ILIL9,0325.0%−25%

54Jersey County, ILIL21,1605.0%+28%

55Knox County, ILIL47,7675.0%−4%

56Warren County, ILIL16,2225.0%−11%

57Whiteside County, ILIL54,1215.0%−7%

58Vermilion County, ILIL71,2594.9%−11%

59White County, ILIL13,2504.9%−21%

60Clinton County, ILIL37,1284.8%+17%

61Clark County, ILIL15,1144.7%+27%

62Jo Daviess County, ILIL21,5944.7%−8%

63Madison County, ILIL263,1104.7%−4%

64Pulaski County, ILIL4,8204.7%+0%

65Gallatin County, ILIL4,6164.6%+35%

66McLean County, ILIL171,4194.6%+15%

67Mercer County, ILIL15,2294.6%+31%

68Williamson County, ILIL67,2254.6%−21%

69McHenry County, ILIL317,7514.5%−8%

70Montgomery County, ILIL28,0764.5%+13%

71Adams County, ILIL64,2674.4%−8%

72Morgan County, ILIL32,5154.4%+16%

73Shelby County, ILIL20,5764.4%+16%

74Wabash County, ILIL10,9074.2%−31%

75Greene County, ILIL11,3134.1%−27%

76Macon County, ILIL99,3004.1%−5%

77Macoupin County, ILIL43,7484.1%+0%

78Ogle County, ILIL51,3994.1%−7%

79Henry County, ILIL48,0954.0%−11%

80Kendall County, ILIL145,4704.0%−7%

81LaSalle County, ILIL107,7734.0%+0%

82Christian County, ILIL33,4433.9%−19%

83Mason County, ILIL12,4113.9%−29%

84Lee County, ILIL32,9143.8%+6%

85Fulton County, ILIL32,9013.7%−35%

86Hardin County, ILIL3,5883.7%−33%

87Sangamon County, ILIL194,1703.6%−3%

88Bond County, ILIL16,9593.6%−41%

89Marshall County, ILIL11,4733.5%−22%

90Perry County, ILIL20,1603.5%−5%

91Grundy County, ILIL54,0523.4%−6%

92Washington County, ILIL13,5643.4%+26%

93Piatt County, ILIL16,7913.3%−15%

94De Witt County, ILIL15,1183.2%−18%

95Pope County, ILIL3,6723.1%+41%

96Putnam County, ILIL5,6193.0%+7%

97Henderson County, ILIL5,9842.6%−38%

98Logan County, ILIL27,1822.6%−30%

99Monroe County, ILIL34,8402.5%+0%

100Calhoun County, ILIL4,3002.4%+140%

101Menard County, ILIL11,8632.2%−8%

102Brown County, ILIL6,4012.1%−66%

SHOWING 1–102 OF 102

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES