RANKING · 1990 CENSUS · 99 SHOWN OF 99

Highest poverty rate, Iowa counties · 1990

Iowa counties with the highest share of residents below the federal poverty line (1990 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest median household income Lowest median household income Highest per-capita income Lowest poverty rate Most residents in poverty Most six-figure households

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPPOVERTY RATEVS –

01Decatur County, IAIA7,65521.0%–

02Appanoose County, IAIA12,07720.4%–

03Wayne County, IAIA6,73819.1%–

04Taylor County, IAIA5,83518.3%–

05Davis County, IAIA9,23017.8%–

06Ringgold County, IAIA4,64217.2%–

07Johnson County, IAIA160,04417.1%–

08Van Buren County, IAIA7,13116.8%–

09Adams County, IAIA3,61716.8%–

10Buchanan County, IAIA20,88316.7%–

11Story County, IAIA101,29116.5%–

12Crawford County, IAIA16,23715.9%–

13Monroe County, IAIA7,40615.6%–

14Union County, IAIA11,82915.5%–

15Black Hawk County, IAIA131,53215.3%–

16Palo Alto County, IAIA8,89915.3%–

17Wapello County, IAIA35,21015.3%–

18Monona County, IAIA8,53914.8%–

19Clayton County, IAIA16,84514.4%–

20Jackson County, IAIA19,28814.3%–

21Fayette County, IAIA19,04714.2%–

22Jefferson County, IAIA15,29113.9%–

23Howard County, IAIA9,41513.8%–

24Page County, IAIA14,85613.8%–

25Harrison County, IAIA14,62313.8%–

26Clarke County, IAIA9,57413.7%–

27Adair County, IAIA7,40313.4%–

28Woodbury County, IAIA106,64913.4%–

29Floyd County, IAIA14,90113.3%–

30Lyon County, IAIA12,35413.3%–

31Allamakee County, IAIA14,23813.2%–

32Winneshiek County, IAIA19,73313.2%–

33Keokuk County, IAIA9,79713.1%–

34Lucas County, IAIA8,84713.1%–

35Mahaska County, IAIA21,88013.0%–

36Emmet County, IAIA9,10713.0%–

37Lee County, IAIA32,30612.9%–

38Delaware County, IAIA17,67412.8%–

39Greene County, IAIA8,65812.2%–

40Fremont County, IAIA6,52212.2%–

41O'Brien County, IAIA14,22012.1%–

42Scott County, IAIA175,25912.1%–

43Audubon County, IAIA5,50912.1%–

44Calhoun County, IAIA9,56211.9%–

45Webster County, IAIA36,83811.8%–

46Sac County, IAIA9,52511.8%–

47Winnebago County, IAIA10,25111.7%–

48Louisa County, IAIA10,41611.7%–

49Ida County, IAIA6,77711.6%–

50Cass County, IAIA12,96011.5%–

51Jones County, IAIA21,25311.5%–

52Benton County, IAIA26,00411.4%–

53Des Moines County, IAIA38,07711.3%–

54Franklin County, IAIA9,86811.3%–

55Guthrie County, IAIA10,78211.2%–

56Cherokee County, IAIA11,36911.2%–

57Madison County, IAIA17,27011.1%–

58Kossuth County, IAIA14,32211.0%–

59Hardin County, IAIA16,45510.8%–

60Clinton County, IAIA46,00210.8%–

61Chickasaw County, IAIA11,66310.7%–

62Butler County, IAIA14,04910.7%–

63Carroll County, IAIA20,30310.6%–

64Tama County, IAIA16,79610.6%–

65Pottawattamie County, IAIA92,99610.5%–

66Pocahontas County, IAIA6,81910.4%–

67Poweshiek County, IAIA18,36810.4%–

68Mitchell County, IAIA10,65010.3%–

69Dubuque County, IAIA99,38110.3%–

70Cedar County, IAIA18,35910.2%–

71Mills County, IAIA14,79310.2%–

72Montgomery County, IAIA10,00210.1%–

73Muscatine County, IAIA41,85310.1%–

74Henry County, IAIA19,34910.1%–

75Marion County, IAIA34,19210.0%–

76Clay County, IAIA16,20210.0%–

77Worth County, IAIA7,3389.9%–

78Osceola County, IAIA5,9809.8%–

79Wright County, IAIA12,8019.7%–

80Washington County, IAIA22,6679.5%–

81Shelby County, IAIA11,6899.4%–

82Polk County, IAIA516,5469.2%–

83Bremer County, IAIA25,2969.2%–

84Dickinson County, IAIA18,0779.2%–

85Plymouth County, IAIA25,6979.0%–

86Cerro Gordo County, IAIA42,3728.9%–

87Hancock County, IAIA10,5288.9%–

88Boone County, IAIA26,7998.8%–

89Humboldt County, IAIA9,4098.8%–

90Buena Vista County, IAIA20,4498.7%–

91Marshall County, IAIA39,8908.7%–

92Linn County, IAIA232,0288.6%–

93Grundy County, IAIA12,3618.3%–

94Hamilton County, IAIA14,9448.2%–

95Iowa County, IAIA16,5048.2%–

96Sioux County, IAIA36,7748.1%–

97Dallas County, IAIA118,4577.6%–

98Jasper County, IAIA38,1537.0%–

99Warren County, IAIA57,3316.3%–

SHOWING 1–99 OF 99

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS