Home > MT > Cascade County > Great Falls > Zip 59405

Zip Code 59405 — Great Falls, MT

59405 is a ZIP Code associated with Great Falls, MT, located within Cascade. The postal region supports an estimated population of 33,350 residents across Data Pending housing units, with a population density of 26.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.281020, -111.259370)

Data MetricLocal Statistic
Postal / Zip Code59405
Primary CityGreat Falls
State / ProvinceMT
CountyCascade
Total Population33,350
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density26.9 people/sq mi
TimezoneAmerica/Denver

How 59405 Compares

MetricZIP 59405Cascade CountyMT State Average
Population33,35084,5841,117,606
Median IncomeData PendingN/AN/A
Population Density26.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59480Stockett7.5 mi328N/A
Zip 59472Sand Coulee8.0 mi507N/A
Zip 59401Great Falls15.9 mi13,255N/A
Zip 59414Black Eagle17.0 mi781N/A
Zip 59485Ulm17.8 mi772N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →