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. The median across all 99 is 764. Biggest climber in the top 100 since 2020: Winnebago County, IA, up 38 places to #59.

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%

04▲1Woodbury County, IAIA106,6497,656+28%

05▼1Johnson County, IAIA160,0447,304−2%

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

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

08▲1Dallas County, IAIA118,4574,229+23%

09▼1Story County, IAIA101,2914,218−15%

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

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

12▲1Clinton County, IAIA46,0022,346+5%

13▼1Davis County, IAIA9,2302,2760%

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

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

16▲7Sioux County, IAIA36,7742,093+50%

17▼1Cerro Gordo County, IAIA42,3721,901+5%

18▲1Muscatine County, IAIA41,8531,792+11%

19▲2Lee County, IAIA32,3061,706+15%

20▼2Washington County, IAIA22,6671,687+4%

21▲18Jasper County, IAIA38,1531,640+86%

22▼2Des Moines County, IAIA38,0771,477−7%

23▼1Crawford County, IAIA16,2371,410−4%

24▲8Clayton County, IAIA16,8451,406+35%

25▲1Buchanan County, IAIA20,8831,372+10%

26▼1Plymouth County, IAIA25,6971,350+7%

27▼10Buena Vista County, IAIA20,4491,275−25%

28▲15Van Buren County, IAIA7,1311,249+58%

29▼2Warren County, IAIA57,3311,090−9%

30▲7Jackson County, IAIA19,2881,089+22%

31▼3Appanoose County, IAIA12,0771,088−7%

32▲6Fayette County, IAIA19,0471,059+20%

33▲1Jefferson County, IAIA15,2911,037+2%

34▼1Tama County, IAIA16,7961,029−1%

35▼4Mahaska County, IAIA21,8801,020−3%

36▲5Union County, IAIA11,829986+22%

37▼8Franklin County, IAIA9,868980−14%

38▼8Allamakee County, IAIA14,238971−11%

39▲13Howard County, IAIA9,415944+48%

40▲6Chickasaw County, IAIA11,663912+23%

41▲4Clay County, IAIA16,202900+21%

42▲11Henry County, IAIA19,349881+39%

43▼3Boone County, IAIA26,799876+8%

44▲27Hamilton County, IAIA14,944843+85%

45▲13Wayne County, IAIA6,738821+39%

46▲32Madison County, IAIA17,270818+99%

47▼23Marion County, IAIA34,192818−36%

48▲3Hardin County, IAIA16,455812+26%

49▲6Benton County, IAIA26,004770+26%

50▼2Mitchell County, IAIA10,650764+10%

51▲25Cedar County, IAIA18,359753+81%

52▲16Wright County, IAIA12,801737+52%

53▼18Poweshiek County, IAIA18,368707−29%

54▲10Jones County, IAIA21,253700+33%

55▲6Lucas County, IAIA8,847689+23%

56▲14Harrison County, IAIA14,623677+46%

57▲3Page County, IAIA14,856677+18%

58▲25Hancock County, IAIA10,528610+67%

59▲38Winnebago County, IAIA10,251588+132%

60▲6Decatur County, IAIA7,655584+14%

61▲16Carroll County, IAIA20,303571+38%

62▼8Delaware County, IAIA17,674568−8%

63▼19Bremer County, IAIA25,296557−29%

64▲10Humboldt County, IAIA9,409554+29%

65▼2Cherokee County, IAIA11,369547+3%

66▼30Floyd County, IAIA14,901543−42%

67▼20Kossuth County, IAIA14,322539−23%

68▼12Cass County, IAIA12,960529−11%

69▲6Iowa County, IAIA16,504528+24%

70▲17Pocahontas County, IAIA6,819528+67%

71▼4Winneshiek County, IAIA19,733522+3%

72▼15Emmet County, IAIA9,107520−12%

73▼24Louisa County, IAIA10,416511−25%

74▲19Worth County, IAIA7,338506+81%

75▼16Lyon County, IAIA12,354482−17%

76▲13Osceola County, IAIA5,980479+52%

77▼35Dickinson County, IAIA18,077470−41%

78▼28Clarke County, IAIA9,574467−30%

79▲16Grundy County, IAIA12,361460+70%

80▼7Sac County, IAIA9,525457+5%

81▼16Butler County, IAIA14,049443−14%

82▼10O'Brien County, IAIA14,220421−4%

83▲3Palo Alto County, IAIA8,899415+31%

84▲1Calhoun County, IAIA9,562402+24%

85▼3Ida County, IAIA6,777399+8%

86▲2Adair County, IAIA7,403390+24%

87▼18Mills County, IAIA14,793390−18%

88▼4Keokuk County, IAIA9,797388+15%

89▲1Montgomery County, IAIA10,002373+20%

90▲6Greene County, IAIA8,658354+35%

91▼10Guthrie County, IAIA10,782333−14%

92▼12Monona County, IAIA8,539324−17%

93▼2Ringgold County, IAIA4,642293−5%

94▼32Shelby County, IAIA11,689270−50%

95▼1Monroe County, IAIA7,406260−5%

96▼4Fremont County, IAIA6,522224−27%

97▼18Taylor County, IAIA5,835201−49%

98▲1Audubon County, IAIA5,509201−14%

99▼1Adams County, IAIA3,617118−50%

SHOWING 1–99 OF 99

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