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About this map

Share of residents born outside the U.S. (not counting people born abroad to American parents).

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

U.S.
14.1%
Iowa
5.9%
Rankings
Full list

Top and bottom zip codes in Iowa

Zip codes with 1,000+ residents

Zip codes with the most foreign-born residents

See all
  1. 150588Storm Lake27.6%
  2. 250314Des Moines27.1%
  3. 351442Denison26.8%
  4. 452162Postville26%
  5. 551105Sioux City24%
  6. 652738Columbus Junction22.2%
  7. 751023Hawarden20.1%
  8. 851002Alta19.9%
  9. 951103Sioux City17.9%
  10. 1050220Perry17.9%

Zip codes with the fewest foreign-born residents

See all
  1. 150139Lacona0%
  2. 252249Keystone0%
  3. 351430Arcadia0%
  4. 452554Eldon0%
  5. 552318Norway0%
  6. 652037Delmar0%
  7. 752223Delhi0%
  8. 852746Donahue0%
  9. 952141Elgin0%
  10. 1052202Alburnett0%

Foreign-born residents by county in Iowa

  1. 1Buena Vista County21.3%
  2. 2Crawford County17.5%
  3. 3Marshall County14.6%
  4. 4Jefferson County14.1%
  5. 5Woodbury County10.6%
  6. 6Dallas County10.4%
  7. 7Polk County10.1%
  8. 8Wapello County9.9%
  9. 9Johnson County9.8%
  10. 10Louisa County9.4%
  11. 11Story County8.6%
  12. 12Franklin County8.5%
  13. 13Sioux County8.5%
  14. 14Allamakee County7.2%
  15. 15Muscatine County6.8%
  16. 16Clarke County6.6%
  17. 17Black Hawk County6.5%
  18. 18Wright County6.5%
  19. 19Hamilton County6.4%
  20. 20Osceola County5.8%
  21. 21Linn County5.6%
  22. 22Scott County4.8%
  23. 23Humboldt County4.4%
  24. 24O'Brien County4.4%
  25. 25Lucas County4.1%
  26. 26Tama County4.1%
  27. 27Pottawattamie County4%
  28. 28Plymouth County3.7%
  29. 29Cherokee County3.6%
  30. 30Hardin County3.6%
  31. 31Poweshiek County3.6%
  32. 32Winnebago County3.5%
  33. 33Emmet County3.4%
  34. 34Kossuth County3.4%
  35. 35Dubuque County3.3%
  36. 36Pocahontas County3.2%
  37. 37Taylor County3.2%
  38. 38Washington County3.2%
  39. 39Chickasaw County3%
  40. 40Webster County3%
  41. 41Jasper County2.8%
  42. 42Cerro Gordo County2.6%
  43. 43Ida County2.6%
  44. 44Winneshiek County2.6%
  45. 45Clay County2.5%
  46. 46Palo Alto County2.5%
  47. 47Floyd County2.4%
  48. 48Sac County2.4%
  49. 49Butler County2.3%
  50. 50Clayton County2.3%
  51. 51Des Moines County2.3%
  52. 52Howard County2.3%
  53. 53Mahaska County2.2%
  54. 54Fayette County2.1%
  55. 55Hancock County2.1%
  56. 56Marion County2.1%
  57. 57Clinton County2%
  58. 58Henry County2%
  59. 59Lyon County2%
  60. 60Decatur County1.9%
  61. 61Guthrie County1.9%
  62. 62Lee County1.9%
  63. 63Page County1.9%
  64. 64Madison County1.8%
  65. 65Mitchell County1.8%
  66. 66Union County1.8%
  67. 67Audubon County1.7%
  68. 68Grundy County1.7%
  69. 69Adair County1.6%
  70. 70Bremer County1.6%
  71. 71Carroll County1.6%
  72. 72Fremont County1.6%
  73. 73Jones County1.6%
  74. 74Montgomery County1.6%
  75. 75Shelby County1.6%
  76. 76Boone County1.5%
  77. 77Greene County1.5%
  78. 78Warren County1.5%
  79. 79Davis County1.4%
  80. 80Appanoose County1.3%
  81. 81Buchanan County1.3%
  82. 82Dickinson County1.2%
  83. 83Mills County1.2%
  84. 84Calhoun County1%
  85. 85Iowa County1%
  86. 86Keokuk County1%
  87. 87Cass County0.9%
  88. 88Cedar County0.9%
  89. 89Wayne County0.9%
  90. 90Worth County0.9%
  91. 91Benton County0.8%
  92. 92Harrison County0.8%
  93. 93Jackson County0.8%
  94. 94Monona County0.7%
  95. 95Monroe County0.7%
  96. 96Ringgold County0.7%
  97. 97Van Buren County0.6%
  98. 98Adams County0.5%
  99. 99Delaware County0.3%

Questions about this map

Which zip code has the highest foreign-born residents in Iowa?

Among zip codes with at least 1,000 residents, 50588 (Storm Lake, IA) has the highest: 27.6%.

Which zip code has the lowest foreign-born residents in Iowa?

50139 (Lacona, IA) has the lowest: 0%.

What is the foreign-born residents for the United States?

14.1%; in Iowa it is 5.9%.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Share of residents born outside the U.S. (not counting people born abroad to American parents).

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