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About this map

Share of residents under 18.

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

U.S.
22%
Idaho
24.1%
Rankings
Full list

Top and bottom zip codes in Idaho

Zip codes with 1,000+ residents

Zip codes with the most children

See all
  1. 183427Iona42.5%
  2. 283286Weston36.8%
  3. 383344Murtaugh36.2%
  4. 483320Carey35.3%
  5. 583341Kimberly34.3%
  6. 683857Princeton33.4%
  7. 783335Hazelton33.1%
  8. 883342Malta33.1%
  9. 983450Terreton32.9%
  10. 1083442Rigby32.7%

Zip codes with the fewest children

See all
  1. 183844Moscow2.4%
  2. 283340Ketchum6.9%
  3. 383353Sun Valley9%
  4. 483833Harrison9.3%
  5. 583553Weippe10.5%
  6. 683706Boise11.8%
  7. 783624Grand View13%
  8. 883622Garden Valley13.7%
  9. 983810Cataldo14.4%
  10. 1083612Council14.7%

Residents under 18 by county in Idaho

  1. 1Jefferson County32.3%
  2. 2Cassia County30.9%
  3. 3Franklin County30.5%
  4. 4Bonneville County29.8%
  5. 5Power County29.8%
  6. 6Jerome County29.6%
  7. 7Bingham County29.1%
  8. 8Clark County28.5%
  9. 9Minidoka County28.2%
  10. 10Bear Lake County27.4%
  11. 11Oneida County27%
  12. 12Canyon County26.7%
  13. 13Camas County26.4%
  14. 14Caribou County26.4%
  15. 15Gooding County26.4%
  16. 16Twin Falls County26.3%
  17. 17Lincoln County26%
  18. 18Payette County25.5%
  19. 19Bannock County25.1%
  20. 20Butte County24.6%
  21. 21Owyhee County24.4%
  22. 22Elmore County24.2%
  23. 23Fremont County24%
  24. 24Boundary County23.3%
  25. 25Kootenai County22.3%
  26. 26Teton County22.3%
  27. 27Washington County22.2%
  28. 28Ada County22%
  29. 29Benewah County22%
  30. 30Gem County21.9%
  31. 31Lewis County21.9%
  32. 32Nez Perce County21.2%
  33. 33Shoshone County20.7%
  34. 34Madison County20.2%
  35. 35Idaho County19.8%
  36. 36Bonner County19.6%
  37. 37Blaine County19.2%
  38. 38Latah County18.9%
  39. 39Valley County18.8%
  40. 40Adams County17.4%
  41. 41Lemhi County17%
  42. 42Boise County15.4%
  43. 43Clearwater County14.9%
  44. 44Custer County13.9%

Questions about this map

Which zip code has the highest residents under 18 in Idaho?

Among zip codes with at least 1,000 residents, 83427 (Iona, ID) has the highest: 42.5%.

Which zip code has the lowest residents under 18 in Idaho?

83844 (Moscow, ID) has the lowest: 2.4%.

What is the residents under 18 for the United States?

22%; in Idaho it is 24.1%.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Share of residents under 18.

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