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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%
Montana
21%
Rankings
Full list

Top and bottom zip codes in Montana

Zip codes with 1,000+ residents

Zip codes with the most children

See all
  1. 159043Lame Deer41.7%
  2. 259022Crow Agency39.4%
  3. 359255Poplar36.9%
  4. 459521Box Elder34%
  5. 559527Hays33.8%
  6. 659834Frenchtown33.1%
  7. 759417Browning32.7%
  8. 859050Lodge Grass32.7%
  9. 959088Worden32.5%
  10. 1059353Wibaux29.6%

Zip codes with the fewest children

See all
  1. 159812Missoula0%
  2. 259639Lincoln6.8%
  3. 359716Big Sky10.1%
  4. 459829Darby10.1%
  5. 559858Philipsburg10.6%
  6. 659868Seeley Lake10.7%
  7. 759759Whitehall11.2%
  8. 859645White Sulphur Springs11.5%
  9. 959722Deer Lodge11.8%
  10. 1059932Somers11.9%

Residents under 18 by county in Montana

  1. 1Roosevelt County32.9%
  2. 2Big Horn County31.3%
  3. 3Glacier County30.3%
  4. 4Wibaux County29.8%
  5. 5Blaine County29%
  6. 6Rosebud County28.3%
  7. 7Hill County28.2%
  8. 8Liberty County27.2%
  9. 9Teton County25%
  10. 10Garfield County24.9%
  11. 11Richland County24.9%
  12. 12Pondera County23.8%
  13. 13Fallon County23.7%
  14. 14Phillips County23.4%
  15. 15Yellowstone County23%
  16. 16Judith Basin County22.5%
  17. 17Cascade County22.3%
  18. 18Chouteau County22.3%
  19. 19Valley County22.3%
  20. 20Lake County22%
  21. 21Sheridan County21.9%
  22. 22Flathead County21.6%
  23. 23Wheatland County21.6%
  24. 24Dawson County21.4%
  25. 25Lewis and Clark County21.2%
  26. 26Toole County21.1%
  27. 27Fergus County21%
  28. 28Stillwater County21%
  29. 29Mineral County20.7%
  30. 30Silver Bow County20.2%
  31. 31Powder River County20.1%
  32. 32Sweet Grass County20.1%
  33. 33Jefferson County20%
  34. 34Broadwater County19.9%
  35. 35Custer County19.8%
  36. 36Musselshell County19.4%
  37. 37Gallatin County18.8%
  38. 38McCone County18.6%
  39. 39Ravalli County18.6%
  40. 40Golden Valley County18.2%
  41. 41Missoula County18.2%
  42. 42Lincoln County18.1%
  43. 43Daniels County17.9%
  44. 44Carter County17.7%
  45. 45Beaverhead County17.5%
  46. 46Treasure County17.5%
  47. 47Carbon County17.2%
  48. 48Prairie County17%
  49. 49Sanders County17%
  50. 50Park County16.9%
  51. 51Madison County16.3%
  52. 52Petroleum County14.8%
  53. 53Granite County14.7%
  54. 54Powell County13.3%
  55. 55Meagher County12.3%
  56. 56Deer Lodge County12%

Questions about this map

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

Among zip codes with at least 1,000 residents, 59043 (Lame Deer, MT) has the highest: 41.7%.

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

59812 (Missoula, MT) has the lowest: 0%.

What is the residents under 18 for the United States?

22%; in Montana it is 21%.

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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