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Cascade County, Montana Zip Codes
Zip Code
City
Population
59405
Great Falls
34,010
59404
Great Falls
28,417
59401
Great Falls
13,660
59421
Cascade
2,025
59412
Belt
1,493
59487
Vaughn
1,394
59485
Ulm
712
59414
Black Eagle
672
59472
Sand Coulee
541
59443
Fort Shaw
498
59483
Sun River
358
59477
Simms
329
59480
Stockett
303
59463
Monarch
103
59465
Neihart
40
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.