RANKING · 2024 ACS · 99 SHOWN OF 99

Most uninsured people, Iowa counties

Iowa 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 99 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2020 2024

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

01Polk County, IAIA516,54626,186+18%

02Linn County, IAIA232,0289,315+8%

03Scott County, IAIA175,2598,968+7%

04Woodbury County, IAIA106,6497,656+28%

05Johnson County, IAIA160,0447,304−2%

06Black Hawk County, IAIA131,5326,559+12%

07Pottawattamie County, IAIA92,9964,628−7%

08Dallas County, IAIA118,4574,229+23%

09Story County, IAIA101,2914,218−15%

10Dubuque County, IAIA99,3813,445+2%

11Wapello County, IAIA35,2102,553+3%

12Clinton County, IAIA46,0022,346+5%

13Davis County, IAIA9,2302,276+0%

14Marshall County, IAIA39,8902,275+8%

15Webster County, IAIA36,8382,216+12%

16Sioux County, IAIA36,7742,093+50%

17Cerro Gordo County, IAIA42,3721,901+5%

18Muscatine County, IAIA41,8531,792+11%

19Lee County, IAIA32,3061,706+15%

20Washington County, IAIA22,6671,687+4%

21Jasper County, IAIA38,1531,640+86%

22Des Moines County, IAIA38,0771,477−7%

23Crawford County, IAIA16,2371,410−4%

24Clayton County, IAIA16,8451,406+35%

25Buchanan County, IAIA20,8831,372+10%

26Plymouth County, IAIA25,6971,350+7%

27Buena Vista County, IAIA20,4491,275−25%

28Van Buren County, IAIA7,1311,249+58%

29Warren County, IAIA57,3311,090−9%

30Jackson County, IAIA19,2881,089+22%

31Appanoose County, IAIA12,0771,088−7%

32Fayette County, IAIA19,0471,059+20%

33Jefferson County, IAIA15,2911,037+2%

34Tama County, IAIA16,7961,029−1%

35Mahaska County, IAIA21,8801,020−3%

36Union County, IAIA11,829986+22%

37Franklin County, IAIA9,868980−14%

38Allamakee County, IAIA14,238971−11%

39Howard County, IAIA9,415944+48%

40Chickasaw County, IAIA11,663912+23%

41Clay County, IAIA16,202900+21%

42Henry County, IAIA19,349881+39%

43Boone County, IAIA26,799876+8%

44Hamilton County, IAIA14,944843+85%

45Wayne County, IAIA6,738821+39%

46Madison County, IAIA17,270818+99%

47Marion County, IAIA34,192818−36%

48Hardin County, IAIA16,455812+26%

49Benton County, IAIA26,004770+26%

50Mitchell County, IAIA10,650764+10%

51Cedar County, IAIA18,359753+81%

52Wright County, IAIA12,801737+52%

53Poweshiek County, IAIA18,368707−29%

54Jones County, IAIA21,253700+33%

55Lucas County, IAIA8,847689+23%

56Harrison County, IAIA14,623677+46%

57Page County, IAIA14,856677+18%

58Hancock County, IAIA10,528610+67%

59Winnebago County, IAIA10,251588+132%

60Decatur County, IAIA7,655584+14%

61Carroll County, IAIA20,303571+38%

62Delaware County, IAIA17,674568−8%

63Bremer County, IAIA25,296557−29%

64Humboldt County, IAIA9,409554+29%

65Cherokee County, IAIA11,369547+3%

66Floyd County, IAIA14,901543−42%

67Kossuth County, IAIA14,322539−23%

68Cass County, IAIA12,960529−11%

69Iowa County, IAIA16,504528+24%

70Pocahontas County, IAIA6,819528+67%

71Winneshiek County, IAIA19,733522+3%

72Emmet County, IAIA9,107520−12%

73Louisa County, IAIA10,416511−25%

74Worth County, IAIA7,338506+81%

75Lyon County, IAIA12,354482−17%

76Osceola County, IAIA5,980479+52%

77Dickinson County, IAIA18,077470−41%

78Clarke County, IAIA9,574467−30%

79Grundy County, IAIA12,361460+70%

80Sac County, IAIA9,525457+5%

81Butler County, IAIA14,049443−14%

82O'Brien County, IAIA14,220421−4%

83Palo Alto County, IAIA8,899415+31%

84Calhoun County, IAIA9,562402+24%

85Ida County, IAIA6,777399+8%

86Adair County, IAIA7,403390+24%

87Mills County, IAIA14,793390−18%

88Keokuk County, IAIA9,797388+15%

89Montgomery County, IAIA10,002373+20%

90Greene County, IAIA8,658354+35%

91Guthrie County, IAIA10,782333−14%

92Monona County, IAIA8,539324−17%

93Ringgold County, IAIA4,642293−5%

94Shelby County, IAIA11,689270−50%

95Monroe County, IAIA7,406260−5%

96Fremont County, IAIA6,522224−27%

97Taylor County, IAIA5,835201−49%

98Audubon County, IAIA5,509201−14%

99Adams County, IAIA3,617118−50%

SHOWING 1–99 OF 99

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