RANKING · 1990 CENSUS · 99 SHOWN OF 99

Highest per-capita income, Iowa counties · 1990

Iowa counties ranked by per-capita income (1990 ACS) — total personal income divided by every resident, including children. 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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPPER CAPITA INCOMEVS –

01Polk County, IAIA516,546$15,365–

02Linn County, IAIA232,028$14,902–

03Johnson County, IAIA160,044$14,113–

04Dickinson County, IAIA18,077$13,639–

05Scott County, IAIA175,259$13,625–

06Dallas County, IAIA118,457$13,364–

07Marshall County, IAIA39,890$13,231–

08Grundy County, IAIA12,361$12,898–

09Jasper County, IAIA38,153$12,872–

10Muscatine County, IAIA41,853$12,802–

11Warren County, IAIA57,331$12,732–

12Dubuque County, IAIA99,381$12,331–

13Black Hawk County, IAIA131,532$12,321–

14Clay County, IAIA16,202$12,314–

15Cerro Gordo County, IAIA42,372$12,304–

16Des Moines County, IAIA38,077$12,246–

17Woodbury County, IAIA106,649$12,218–

18Humboldt County, IAIA9,409$12,167–

19Iowa County, IAIA16,504$12,139–

20Cedar County, IAIA18,359$12,113–

21Poweshiek County, IAIA18,368$12,066–

22Boone County, IAIA26,799$12,031–

23Wright County, IAIA12,801$11,969–

24Story County, IAIA101,291$11,958–

25Marion County, IAIA34,192$11,945–

26Hamilton County, IAIA14,944$11,879–

27Clinton County, IAIA46,002$11,795–

28Pottawattamie County, IAIA92,996$11,734–

29Franklin County, IAIA9,868$11,691–

30Jefferson County, IAIA15,291$11,664–

31Bremer County, IAIA25,296$11,626–

32Madison County, IAIA17,270$11,620–

33Montgomery County, IAIA10,002$11,595–

34Pocahontas County, IAIA6,819$11,531–

35Delaware County, IAIA17,674$11,515–

36Osceola County, IAIA5,980$11,508–

37Plymouth County, IAIA25,697$11,507–

38Lee County, IAIA32,306$11,488–

39Worth County, IAIA7,338$11,443–

40Buena Vista County, IAIA20,449$11,423–

41Calhoun County, IAIA9,562$11,405–

42Washington County, IAIA22,667$11,387–

43Clarke County, IAIA9,574$11,380–

44Benton County, IAIA26,004$11,373–

45Tama County, IAIA16,796$11,362–

46Webster County, IAIA36,838$11,358–

47Hardin County, IAIA16,455$11,356–

48Henry County, IAIA19,349$11,355–

49Floyd County, IAIA14,901$11,307–

50Carroll County, IAIA20,303$11,301–

51Kossuth County, IAIA14,322$11,247–

52Louisa County, IAIA10,416$11,226–

53Audubon County, IAIA5,509$11,210–

54Guthrie County, IAIA10,782$11,201–

55Greene County, IAIA8,658$11,164–

56Mills County, IAIA14,793$11,140–

57Page County, IAIA14,856$11,122–

58Hancock County, IAIA10,528$11,064–

59Cass County, IAIA12,960$11,059–

60Wapello County, IAIA35,210$11,055–

61Lucas County, IAIA8,847$11,048–

62Mitchell County, IAIA10,650$11,035–

63Ida County, IAIA6,777$10,993–

64Buchanan County, IAIA20,883$10,925–

65Chickasaw County, IAIA11,663$10,919–

66Cherokee County, IAIA11,369$10,909–

67Sac County, IAIA9,525$10,852–

68O'Brien County, IAIA14,220$10,842–

69Mahaska County, IAIA21,880$10,819–

70Butler County, IAIA14,049$10,803–

71Winnebago County, IAIA10,251$10,775–

72Palo Alto County, IAIA8,899$10,749–

73Shelby County, IAIA11,689$10,720–

74Fremont County, IAIA6,522$10,674–

75Monona County, IAIA8,539$10,584–

76Adair County, IAIA7,403$10,565–

77Winneshiek County, IAIA19,733$10,503–

78Jackson County, IAIA19,288$10,467–

79Keokuk County, IAIA9,797$10,427–

80Harrison County, IAIA14,623$10,411–

81Sioux County, IAIA36,774$10,411–

82Jones County, IAIA21,253$10,403–

83Emmet County, IAIA9,107$10,402–

84Union County, IAIA11,829$10,247–

85Allamakee County, IAIA14,238$10,232–

86Fayette County, IAIA19,047$10,226–

87Adams County, IAIA3,617$10,110–

88Crawford County, IAIA16,237$10,056–

89Monroe County, IAIA7,406$10,046–

90Davis County, IAIA9,230$9,965–

91Howard County, IAIA9,415$9,960–

92Lyon County, IAIA12,354$9,871–

93Clayton County, IAIA16,845$9,813–

94Ringgold County, IAIA4,642$9,773–

95Appanoose County, IAIA12,077$9,748–

96Van Buren County, IAIA7,131$9,348–

97Wayne County, IAIA6,738$9,225–

98Decatur County, IAIA7,655$8,918–

99Taylor County, IAIA5,835$8,834–

SHOWING 1–99 OF 99

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS