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About this map

Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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

U.S.
334,922,499
Montana
1,116,875
Rankings
Full list

Top and bottom zip codes in Montana

Zip codes with 1,000+ residents

Most populated zip codes

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  1. 159901Kalispell63,161
  2. 259102Billings47,977
  3. 359718Bozeman44,585
  4. 459101Billings42,250
  5. 559715Bozeman39,643
  6. 659105Billings35,480
  7. 759701Butte34,232
  8. 859405Great Falls33,350
  9. 959601Helena31,728
  10. 1059801Missoula30,916

Least populated zip codes

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  1. 159215Circle1,015
  2. 259639Lincoln1,021
  3. 359248Nashua1,023
  4. 459349Terry1,025
  5. 559030Gardiner1,030
  6. 659853Noxon1,030
  7. 759016Busby1,044
  8. 859317Broadus1,108
  9. 959866Saint Regis1,161
  10. 1059263Scobey1,180

Population by county in Montana

  1. 1Yellowstone County168,957
  2. 2Gallatin County124,074
  3. 3Missoula County120,672
  4. 4Flathead County110,695
  5. 5Cascade County84,606
  6. 6Lewis and Clark County73,464
  7. 7Ravalli County46,727
  8. 8Silver Bow County35,785
  9. 9Lake County32,561
  10. 10Lincoln County21,175
  11. 11Park County17,710
  12. 12Hill County16,155
  13. 13Glacier County13,637
  14. 14Sanders County13,285
  15. 15Big Horn County12,891
  16. 16Jefferson County12,774
  17. 17Custer County11,961
  18. 18Fergus County11,687
  19. 19Richland County11,235
  20. 20Carbon County11,116
  21. 21Roosevelt County10,526
  22. 22Beaverhead County9,713
  23. 23Deer Lodge County9,597
  24. 24Madison County9,223
  25. 25Stillwater County9,182
  26. 26Dawson County8,827
  27. 27Rosebud County8,165
  28. 28Broadwater County7,668
  29. 29Valley County7,519
  30. 30Powell County7,053
  31. 31Blaine County6,949
  32. 32Teton County6,353
  33. 33Pondera County6,035
  34. 34Chouteau County5,906
  35. 35Musselshell County5,152
  36. 36Toole County5,061
  37. 37Mineral County4,959
  38. 38Phillips County4,221
  39. 39Sweet Grass County3,720
  40. 40Sheridan County3,669
  41. 41Granite County3,462
  42. 42Fallon County2,760
  43. 43Judith Basin County2,071
  44. 44Wheatland County2,056
  45. 45Meagher County2,007
  46. 46Liberty County1,952
  47. 47Powder River County1,815
  48. 48McCone County1,670
  49. 49Daniels County1,494
  50. 50Carter County1,308
  51. 51Prairie County1,250
  52. 52Wibaux County1,193
  53. 53Garfield County1,094
  54. 54Golden Valley County899
  55. 55Treasure County732
  56. 56Petroleum County447

Questions about this map

Which zip code has the highest population in Montana?

Among zip codes with at least 1,000 residents, 59901 (Kalispell, MT) has the highest: 63,161.

Which zip code has the lowest population in Montana?

59215 (Circle, MT) has the lowest: 1,015.

What is the population for the United States?

334,922,499; in Montana it is 1,116,875.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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