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About this map

Income inequality on a 0-to-1 scale. 0 means every household earns the same; higher means income is concentrated among fewer households. The U.S. scores about 0.48. Lower is more equal.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
0.483
Iowa
0.444
Rankings
Full list

Top and bottom zip codes in Iowa

Zip codes with 1,000+ residents

Zip codes with the most income inequality

See all
  1. 152553Eddyville0.579
  2. 252246Iowa City0.562
  3. 350841Corning0.550
  4. 451101Sioux City0.544
  5. 552620Bonaparte0.536
  6. 652240Iowa City0.529
  7. 752801Davenport0.527
  8. 850421Belmond0.525
  9. 950441Hampton0.518
  10. 1051055Sloan0.517

Zip codes with the least income inequality

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  1. 152242Iowa City0.285
  2. 252749Fruitland0.290
  3. 351430Arcadia0.296
  4. 452068Peosta0.297
  5. 551342Graettinger0.300
  6. 651024Hinton0.301
  7. 750680Wellsburg0.301
  8. 852201Ainsworth0.301
  9. 950035Bondurant0.302
  10. 1050535Early0.305

Income inequality (Gini) by county in Iowa

  1. 1Adams County0.503
  2. 2Johnson County0.498
  3. 3Van Buren County0.488
  4. 4Jefferson County0.480
  5. 5Wayne County0.478
  6. 6Montgomery County0.472
  7. 7Story County0.469
  8. 8Wright County0.467
  9. 9Cass County0.465
  10. 10Fremont County0.465
  11. 11Adair County0.460
  12. 12Humboldt County0.459
  13. 13Page County0.458
  14. 14Audubon County0.458
  15. 15Cerro Gordo County0.456
  16. 16Franklin County0.456
  17. 17Scott County0.452
  18. 18Calhoun County0.452
  19. 19Cherokee County0.451
  20. 20Appanoose County0.451
  21. 21Fayette County0.450
  22. 22Black Hawk County0.449
  23. 23Ringgold County0.448
  24. 24Linn County0.447
  25. 25Mitchell County0.447
  26. 26Shelby County0.447
  27. 27Lee County0.447
  28. 28Poweshiek County0.446
  29. 29Jackson County0.446
  30. 30Dickinson County0.446
  31. 31Clinton County0.445
  32. 32Winneshiek County0.444
  33. 33Jasper County0.444
  34. 34Dubuque County0.443
  35. 35Webster County0.443
  36. 36Wapello County0.443
  37. 37Winnebago County0.442
  38. 38Keokuk County0.441
  39. 39Clarke County0.441
  40. 40Dallas County0.440
  41. 41Delaware County0.440
  42. 42Des Moines County0.438
  43. 43Hamilton County0.438
  44. 44Polk County0.437
  45. 45Carroll County0.436
  46. 46Ida County0.436
  47. 47Woodbury County0.436
  48. 48Osceola County0.434
  49. 49Guthrie County0.434
  50. 50Marion County0.433
  51. 51Lucas County0.433
  52. 52Floyd County0.433
  53. 53Decatur County0.429
  54. 54Washington County0.429
  55. 55Crawford County0.428
  56. 56Pottawattamie County0.428
  57. 57Clayton County0.428
  58. 58Bremer County0.427
  59. 59Howard County0.425
  60. 60Hardin County0.424
  61. 61Mahaska County0.424
  62. 62Henry County0.424
  63. 63Buena Vista County0.422
  64. 64Taylor County0.421
  65. 65Union County0.419
  66. 66Kossuth County0.418
  67. 67Muscatine County0.417
  68. 68Clay County0.417
  69. 69Allamakee County0.417
  70. 70Hancock County0.417
  71. 71Palo Alto County0.416
  72. 72Greene County0.415
  73. 73Lyon County0.415
  74. 74Mills County0.414
  75. 75Monona County0.413
  76. 76Sac County0.413
  77. 77Iowa County0.413
  78. 78Chickasaw County0.413
  79. 79Sioux County0.409
  80. 80Emmet County0.409
  81. 81Plymouth County0.407
  82. 82Louisa County0.403
  83. 83Boone County0.400
  84. 84Cedar County0.399
  85. 85Davis County0.398
  86. 86Worth County0.398
  87. 87Benton County0.397
  88. 88Harrison County0.397
  89. 89Tama County0.397
  90. 90Pocahontas County0.395
  91. 91Grundy County0.394
  92. 92Warren County0.394
  93. 93O'Brien County0.392
  94. 94Madison County0.391
  95. 95Jones County0.391
  96. 96Butler County0.389
  97. 97Buchanan County0.385
  98. 98Marshall County0.385
  99. 99Monroe County0.383

Questions about this map

Which zip code has the highest income inequality (gini) in Iowa?

Among zip codes with at least 1,000 residents, 52553 (Eddyville, IA) has the highest: 0.579.

Which zip code has the lowest income inequality (gini) in Iowa?

52242 (Iowa City, IA) has the lowest: 0.285.

What is the income inequality (gini) for the United States?

0.483; in Iowa it is 0.444.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Income inequality on a 0-to-1 scale. 0 means every household earns the same; higher means income is concentrated among fewer households. The U.S. scores about 0.48. Lower is more equal.

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