RANKING · 2024 ACS · 99 SHOWN OF 99

Highest uninsured rate, Iowa counties

Iowa counties ranked by the share of residents without health insurance (2024 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

IowaAll 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

01Davis County, IAIA9,23025.1%−2%

02Van Buren County, IAIA7,13117.4%+54%

03Wayne County, IAIA6,73812.8%+38%

04Howard County, IAIA9,41510.2%+44%

05Franklin County, IAIA9,86810.0%−12%

06Appanoose County, IAIA12,0779.0%−5%

07Crawford County, IAIA16,2378.8%+1%

08Clayton County, IAIA16,8458.4%+40%

09Union County, IAIA11,8298.3%+26%

10Lucas County, IAIA8,8478.0%+21%

11Osceola County, IAIA5,9808.0%+51%

12Chickasaw County, IAIA11,6637.8%+24%

13Decatur County, IAIA7,6557.6%+15%

14Pocahontas County, IAIA6,8197.6%+58%

15Washington County, IAIA22,6677.6%+3%

16Mitchell County, IAIA10,6507.4%+10%

17Wapello County, IAIA35,2107.3%+3%

18Woodbury County, IAIA106,6497.3%+24%

19Allamakee County, IAIA14,2387.0%−14%

20Worth County, IAIA7,3387.0%+84%

21Buchanan County, IAIA20,8836.7%+12%

22Jefferson County, IAIA15,2916.7%+20%

23Ringgold County, IAIA4,6426.6%+0%

24Webster County, IAIA36,8386.3%+11%

25Buena Vista County, IAIA20,4496.2%−29%

26Tama County, IAIA16,7966.2%−2%

27Ida County, IAIA6,7775.9%+7%

28Emmet County, IAIA9,1075.8%−12%

29Hancock County, IAIA10,5285.8%+66%

30Humboldt County, IAIA9,4095.8%+26%

31Marshall County, IAIA39,8905.8%+5%

32Sioux County, IAIA36,7745.8%+45%

33Wright County, IAIA12,8015.8%+49%

34Hamilton County, IAIA14,9445.7%+84%

35Jackson County, IAIA19,2885.7%+21%

36Fayette County, IAIA19,0475.6%+22%

37Winnebago County, IAIA10,2515.6%+124%

38Clay County, IAIA16,2025.5%+17%

39Lee County, IAIA32,3065.4%+20%

40Adair County, IAIA7,4035.3%+15%

41Plymouth County, IAIA25,6975.3%+4%

42Polk County, IAIA516,5465.3%+15%

43Scott County, IAIA175,2595.2%+6%

44Black Hawk County, IAIA131,5325.1%+13%

45Clinton County, IAIA46,0025.1%+6%

46Pottawattamie County, IAIA92,9965.0%−7%

47Hardin County, IAIA16,4555.0%+28%

48Clarke County, IAIA9,5744.9%−32%

49Madison County, IAIA17,2704.9%+88%

50Cherokee County, IAIA11,3694.8%−2%

51Louisa County, IAIA10,4164.8%−23%

52Page County, IAIA14,8564.8%+17%

53Palo Alto County, IAIA8,8994.8%+33%

54Sac County, IAIA9,5254.8%+4%

55Johnson County, IAIA160,0444.7%−6%

56Harrison County, IAIA14,6234.7%+38%

57Henry County, IAIA19,3494.7%+38%

58Mahaska County, IAIA21,8804.7%−2%

59Cerro Gordo County, IAIA42,3724.5%+5%

60Jasper County, IAIA38,1534.5%+80%

61Calhoun County, IAIA9,5624.4%+22%

62Muscatine County, IAIA41,8534.3%+13%

63Cedar County, IAIA18,3594.2%+83%

64Story County, IAIA101,2914.2%−18%

65Greene County, IAIA8,6584.1%+37%

66Cass County, IAIA12,9604.1%−13%

67Linn County, IAIA232,0284.1%+5%

68Keokuk County, IAIA9,7974.0%+18%

69Lyon County, IAIA12,3544.0%−20%

70Des Moines County, IAIA38,0773.9%−5%

71Poweshiek County, IAIA18,3683.9%−29%

72Dallas County, IAIA118,4573.9%+3%

73Monona County, IAIA8,5393.9%−15%

74Grundy County, IAIA12,3613.8%+73%

75Kossuth County, IAIA14,3223.8%−21%

76Audubon County, IAIA5,5093.7%−14%

77Montgomery County, IAIA10,0023.7%+16%

78Floyd County, IAIA14,9013.6%−41%

79Monroe County, IAIA7,4063.6%+0%

80Taylor County, IAIA5,8353.5%−45%

81Dubuque County, IAIA99,3813.5%+0%

82Fremont County, IAIA6,5223.5%−22%

83Jones County, IAIA21,2533.5%+30%

84Adams County, IAIA3,6173.3%−50%

85Boone County, IAIA26,7993.3%+6%

86Delaware County, IAIA17,6743.3%−8%

87Butler County, IAIA14,0493.2%−11%

88Iowa County, IAIA16,5043.2%+19%

89Guthrie County, IAIA10,7823.1%−14%

90Benton County, IAIA26,0043.0%+25%

91O'Brien County, IAIA14,2203.0%−6%

92Carroll County, IAIA20,3032.8%+33%

93Mills County, IAIA14,7932.7%−16%

94Winneshiek County, IAIA19,7332.7%+4%

95Dickinson County, IAIA18,0772.6%−43%

96Marion County, IAIA34,1922.5%−36%

97Shelby County, IAIA11,6892.3%−52%

98Bremer County, IAIA25,2962.2%−31%

99Warren County, IAIA57,3312.0%−17%

SHOWING 1–99 OF 99

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