RANKING · 1990 CENSUS · 99 SHOWN OF 99

Lowest median household income, Iowa counties · 1990

Iowa counties with the lowest median household income in the 2023 American Community Survey 5-year estimates. 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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN HOUSEHOLD INCOMEVS 2000

01Wayne County, IAIA6,738$17,599−40%

02Appanoose County, IAIA12,077$17,833−38%

03Decatur County, IAIA7,655$18,105−34%

04Taylor County, IAIA5,835$18,641−40%

05Van Buren County, IAIA7,131$19,244−38%

06Davis County, IAIA9,230$20,054−39%

07Adams County, IAIA3,617$20,570−32%

08Monona County, IAIA8,539$20,714−38%

09Monroe County, IAIA7,406$20,745−41%

10Ringgold County, IAIA4,642$20,761−29%

11Wapello County, IAIA35,210$21,060−35%

12Allamakee County, IAIA14,238$21,098−38%

13Fayette County, IAIA19,047$21,109−35%

14Palo Alto County, IAIA8,899$21,223−35%

15Lucas County, IAIA8,847$21,316−31%

16Clayton County, IAIA16,845$21,406−37%

17Adair County, IAIA7,403$21,426−39%

18Audubon County, IAIA5,509$21,501−33%

19Union County, IAIA11,829$21,550−32%

20Clarke County, IAIA9,574$21,735−37%

21Cass County, IAIA12,960$21,801−34%

22Sac County, IAIA9,525$21,818−34%

23Howard County, IAIA9,415$21,913−37%

24Page County, IAIA14,856$22,050−38%

25Crawford County, IAIA16,237$22,209−35%

26Keokuk County, IAIA9,797$22,234−35%

27Harrison County, IAIA14,623$22,258−42%

28Greene County, IAIA8,658$22,320−34%

29Jackson County, IAIA19,288$22,487−35%

30Calhoun County, IAIA9,562$22,496−32%

31Jefferson County, IAIA15,291$22,630−33%

32Lyon County, IAIA12,354$22,676−39%

33Shelby County, IAIA11,689$22,702−39%

34Emmet County, IAIA9,107$22,790−32%

35Ida County, IAIA6,777$22,859−34%

36Worth County, IAIA7,338$22,902−37%

37Fremont County, IAIA6,522$22,948−40%

38Cherokee County, IAIA11,369$22,967−35%

39Osceola County, IAIA5,980$23,037−33%

40Mahaska County, IAIA21,880$23,115−38%

41O'Brien County, IAIA14,220$23,125−35%

42Butler County, IAIA14,049$23,292−35%

43Montgomery County, IAIA10,002$23,312−30%

44Kossuth County, IAIA14,322$23,321−33%

45Floyd County, IAIA14,901$23,344−34%

46Guthrie County, IAIA10,782$23,356−36%

47Buchanan County, IAIA20,883$23,386−39%

48Hardin County, IAIA16,455$23,457−34%

49Winnebago County, IAIA10,251$23,480−39%

50Pocahontas County, IAIA6,819$23,517−30%

51Webster County, IAIA36,838$23,692−33%

52Franklin County, IAIA9,868$23,741−34%

53Tama County, IAIA16,796$24,297−35%

54Winneshiek County, IAIA19,733$24,383−37%

55Carroll County, IAIA20,303$24,391−35%

56Jones County, IAIA21,253$24,480−35%

57Mitchell County, IAIA10,650$24,519−30%

58Humboldt County, IAIA9,409$24,557−36%

59Wright County, IAIA12,801$24,582−32%

60Chickasaw County, IAIA11,663$24,656−35%

61Lee County, IAIA32,306$24,671−32%

62Henry County, IAIA19,349$24,952−36%

63Clay County, IAIA16,202$25,028−30%

64Cerro Gordo County, IAIA42,372$25,116−30%

65Woodbury County, IAIA106,649$25,186−35%

66Dickinson County, IAIA18,077$25,211−35%

67Buena Vista County, IAIA20,449$25,311−28%

68Clinton County, IAIA46,002$25,410−32%

69Hancock County, IAIA10,528$25,445−33%

70Louisa County, IAIA10,416$25,590−35%

71Black Hawk County, IAIA131,532$25,683−31%

72Sioux County, IAIA36,774$25,692−37%

73Delaware County, IAIA17,674$25,757−31%

74Washington County, IAIA22,667$25,822−34%

75Hamilton County, IAIA14,944$25,847−33%

76Benton County, IAIA26,004$25,959−39%

77Poweshiek County, IAIA18,368$26,063−31%

78Boone County, IAIA26,799$26,110−36%

79Grundy County, IAIA12,361$26,314−33%

80Des Moines County, IAIA38,077$26,536−28%

81Iowa County, IAIA16,504$26,579−36%

82Pottawattamie County, IAIA92,996$26,639−34%

83Madison County, IAIA17,270$26,644−36%

84Story County, IAIA101,291$26,668−34%

85Plymouth County, IAIA25,697$26,796−36%

86Bremer County, IAIA25,296$27,326−33%

87Mills County, IAIA14,793$27,420−35%

88Cedar County, IAIA18,359$27,713−34%

89Johnson County, IAIA160,044$27,862−30%

90Marion County, IAIA34,192$27,991−34%

91Dubuque County, IAIA99,381$28,276−29%

92Marshall County, IAIA39,890$28,333−26%

93Jasper County, IAIA38,153$28,702−31%

94Dallas County, IAIA118,457$28,874−41%

95Muscatine County, IAIA41,853$29,786−29%

96Scott County, IAIA175,259$29,979−30%

97Polk County, IAIA516,546$31,221−32%

98Linn County, IAIA232,028$32,137−30%

99Warren County, IAIA57,331$32,452−36%

SHOWING 1–99 OF 99

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES