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About this map

Share of adults 25 and older with at least a four-year college degree.

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

U.S.
35.7%
Iowa
31.4%
Rankings
Full list

Top and bottom zip codes in Iowa

Zip codes with 1,000+ residents

Most college-educated zip codes

See all
  1. 150012Ames100%
  2. 250013Ames93%
  3. 350014Ames68.1%
  4. 452246Iowa City67.3%
  5. 552245Iowa City67.2%
  6. 650323Urbandale63%
  7. 750010Ames62.7%
  8. 850309Des Moines61.5%
  9. 950312Des Moines61.2%
  10. 1050325Clive61%

Least college-educated zip codes

See all
  1. 152242Iowa City0%
  2. 251109Sioux City3.4%
  3. 352570Milton4.3%
  4. 452201Ainsworth5.2%
  5. 552554Eldon7.3%
  6. 651235Doon7.6%
  7. 751105Sioux City7.8%
  8. 852802Davenport8.6%
  9. 951510Carter Lake9.5%
  10. 1052561Fremont9.7%

Bachelor's degree or higher by county in Iowa

  1. 1Johnson County55.2%
  2. 2Story County54.8%
  3. 3Dallas County51.5%
  4. 4Jefferson County43.2%
  5. 5Polk County40.3%
  6. 6Scott County36.6%
  7. 7Bremer County36.2%
  8. 8Linn County34.7%
  9. 9Dubuque County33.4%
  10. 10Warren County33.3%
  11. 11Marion County32.1%
  12. 12Dickinson County31.2%
  13. 13Winneshiek County31.2%
  14. 14Mills County31%
  15. 15Sioux County30.6%
  16. 16Black Hawk County30.3%
  17. 17Boone County28.5%
  18. 18Grundy County27.8%
  19. 19Clay County27.5%
  20. 20Poweshiek County27.3%
  21. 21Madison County27.1%
  22. 22Adams County27%
  23. 23Washington County26.2%
  24. 24Winnebago County26.1%
  25. 25Benton County25.6%
  26. 26Guthrie County25%
  27. 27Mitchell County24.9%
  28. 28Wright County24.9%
  29. 29Iowa County24.8%
  30. 30Ringgold County24.6%
  31. 31Woodbury County24.3%
  32. 32Mahaska County24.1%
  33. 33Shelby County24.1%
  34. 34Carroll County24%
  35. 35Cerro Gordo County24%
  36. 36Des Moines County23.8%
  37. 37Cedar County23.7%
  38. 38Pottawattamie County23.6%
  39. 39Decatur County23.5%
  40. 40Cherokee County23.4%
  41. 41Union County23.3%
  42. 42Muscatine County23.1%
  43. 43Henry County23%
  44. 44Hamilton County22.8%
  45. 45Kossuth County22.8%
  46. 46Delaware County22.6%
  47. 47Marshall County22.6%
  48. 48Buchanan County22.4%
  49. 49Clinton County22.4%
  50. 50Sac County22.3%
  51. 51Allamakee County22.2%
  52. 52Buena Vista County22.2%
  53. 53Cass County22.1%
  54. 54Harrison County22%
  55. 55Jones County22%
  56. 56O'Brien County22%
  57. 57Webster County22%
  58. 58Hardin County21.9%
  59. 59Calhoun County21.8%
  60. 60Lee County21.7%
  61. 61Plymouth County21.7%
  62. 62Ida County21.6%
  63. 63Butler County21.4%
  64. 64Monroe County21.4%
  65. 65Chickasaw County21.2%
  66. 66Greene County21.2%
  67. 67Audubon County20.8%
  68. 68Fremont County20.8%
  69. 69Fayette County20.7%
  70. 70Appanoose County20.5%
  71. 71Hancock County20.5%
  72. 72Tama County20.5%
  73. 73Lyon County20.4%
  74. 74Montgomery County20.4%
  75. 75Jasper County20%
  76. 76Adair County19.9%
  77. 77Monona County19.6%
  78. 78Wapello County19.6%
  79. 79Howard County19.5%
  80. 80Jackson County19.5%
  81. 81Franklin County19.4%
  82. 82Humboldt County19.4%
  83. 83Page County19.2%
  84. 84Worth County19.1%
  85. 85Palo Alto County19%
  86. 86Van Buren County18.8%
  87. 87Pocahontas County18.7%
  88. 88Floyd County18.3%
  89. 89Crawford County17.7%
  90. 90Wayne County17.2%
  91. 91Davis County17.1%
  92. 92Emmet County17.1%
  93. 93Keokuk County17%
  94. 94Louisa County16.8%
  95. 95Osceola County16.7%
  96. 96Clarke County16%
  97. 97Taylor County16%
  98. 98Lucas County15.8%
  99. 99Clayton County14.5%

Questions about this map

Which zip code has the highest bachelor's degree or higher in Iowa?

Among zip codes with at least 1,000 residents, 50012 (Ames, IA) has the highest: 100%.

Which zip code has the lowest bachelor's degree or higher in Iowa?

52242 (Iowa City, IA) has the lowest: 0%.

What is the bachelor's degree or higher for the United States?

35.7%; in Iowa it is 31.4%.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Share of adults 25 and older with at least a four-year college degree.

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