RANKING · 2024 ACS · 102 SHOWN OF 102

Most uninsured people, Illinois counties

Illinois counties with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 1,235. Biggest climber in the top 100 since 2020: Johnson County, IL, up 28 places to #61.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2020 2024

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

01Cook County, ILIL5,194,625454,597+1%

02▲1Lake County, ILIL719,33948,085+9%

03▼1DuPage County, ILIL934,29847,841−3%

04Kane County, ILIL525,75740,060−7%

05Will County, ILIL712,25336,416+4%

06Winnebago County, ILIL283,67417,277+1%

07▲1McHenry County, ILIL317,75114,084−7%

08▼1St. Clair County, ILIL250,70812,650−17%

09Madison County, ILIL263,11012,283−5%

10▲1Champaign County, ILIL209,97210,690+17%

11▼1Peoria County, ILIL178,55310,225−7%

12Rock Island County, ILIL141,8698,505+9%

13▲1McLean County, ILIL171,4197,873+15%

14▼1Sangamon County, ILIL194,1706,901−3%

15▲1Tazewell County, ILIL130,0496,494+12%

16▼1Kankakee County, ILIL105,5255,948+1%

17Kendall County, ILIL145,4705,490−1%

18DeKalb County, ILIL101,8355,124−4%

19▲1LaSalle County, ILIL107,7734,279+1%

20▼1Macon County, ILIL99,3004,090−8%

21Vermilion County, ILIL71,2593,401−17%

22Jackson County, ILIL52,5013,312−16%

23▲1Coles County, ILIL46,6073,262−8%

24▲1Douglas County, ILIL19,8803,002−3%

25▼2Williamson County, ILIL67,2252,994−20%

26▲2Boone County, ILIL53,5682,957+5%

27▼1Adams County, ILIL64,2672,816−9%

28▼1Whiteside County, ILIL54,1212,726−8%

29▲6Franklin County, ILIL36,9162,708+25%

30▲2Jefferson County, ILIL36,1472,536+15%

31▼2Knox County, ILIL47,7672,345−4%

32▼2Marion County, ILIL36,3822,307−4%

33▼2Stephenson County, ILIL43,2202,2340%

34▼1Ogle County, ILIL51,3992,107−4%

35▲1Moultrie County, ILIL14,3711,999−1%

36▲8Woodford County, ILIL38,1111,965+24%

37▲6McDonough County, ILIL25,9161,957+23%

38▼4Henry County, ILIL48,0951,939−11%

39▲2Wayne County, ILIL15,8821,927+13%

40Effingham County, ILIL34,5191,8100%

41▼2Grundy County, ILIL54,0521,792−2%

42▼4Macoupin County, ILIL43,7481,783−2%

43▲3Bureau County, ILIL32,5101,743+11%

44▲1Livingston County, ILIL35,0571,743+11%

45▲4Clinton County, ILIL37,1281,690+16%

46▼4Iroquois County, ILIL26,1501,570−6%

47Fayette County, ILIL20,7901,492−2%

48▲2Randolph County, ILIL29,9211,463+5%

49▲3Morgan County, ILIL32,5151,384+14%

50▼2Christian County, ILIL33,4431,250−16%

51Saline County, ILIL22,7721,235−6%

52▲1Lee County, ILIL32,9141,183+4%

53▲5Montgomery County, ILIL28,0761,167+15%

54▼17Fulton County, ILIL32,9011,136−38%

55▲4Massac County, ILIL13,5021,066+9%

56▲1Union County, ILIL16,6561,060+2%

57▲9Jersey County, ILIL21,1601,042+26%

58▼3Jo Daviess County, ILIL21,5941,013−7%

59▲20Hancock County, ILIL16,803979+56%

60▲21Cass County, ILIL12,463977+66%

61▲28Johnson County, ILIL13,363940+133%

62▲22Richland County, ILIL15,219934+74%

63▼9Crawford County, ILIL18,648917−18%

64▲3Shelby County, ILIL20,576913+11%

65▼9Lawrence County, ILIL13,790898−14%

66▲2Edgar County, ILIL16,323879+7%

67▼3Monroe County, ILIL34,840873+1%

68▼7Warren County, ILIL16,222811−13%

69▼6Pike County, ILIL14,231808−8%

70▼1Carroll County, ILIL15,419805+10%

71▲7Ford County, ILIL13,216747+18%

72▲13Mercer County, ILIL15,229709+33%

73▲9Clark County, ILIL15,114697+23%

74▲9Schuyler County, ILIL6,657693+24%

75Clay County, ILIL12,793660−2%

76▼11White County, ILIL13,250653−21%

77▼17Logan County, ILIL27,182642−33%

78▼6Perry County, ILIL20,160629−9%

79▼5Hamilton County, ILIL7,859597−11%

80▼3Piatt County, ILIL16,791551−13%

81▼19Bond County, ILIL16,959544−41%

82▲4Cumberland County, ILIL10,208538+3%

83▼3De Witt County, ILIL15,118491−20%

84▼14Mason County, ILIL12,411484−34%

85▼14Greene County, ILIL11,313474−34%

86▼10Jasper County, ILIL9,032459−28%

87▼14Wabash County, ILIL10,907458−34%

88▲3Washington County, ILIL13,564454+21%

89▼1Alexander County, ILIL4,570452−3%

90▼3Marshall County, ILIL11,473395−22%

91▼1Edwards County, ILIL5,898362−7%

92▲3Stark County, ILIL5,319300+14%

93▲7Scott County, ILIL4,866269+75%

94▼1Menard County, ILIL11,863263−10%

95▲1Pulaski County, ILIL4,820226−10%

96▲2Gallatin County, ILIL4,616220+32%

97▲2Putnam County, ILIL5,619166+2%

98▼4Henderson County, ILIL5,984162−43%

99▼2Hardin County, ILIL3,588130−38%

100▲1Pope County, ILIL3,672111+23%

101▲1Calhoun County, ILIL4,300101+120%

102▼10Brown County, ILIL6,40194−68%

SHOWING 1–102 OF 102

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES