Home > MT > Powell County > Garrison > Zip 59731

Zip Code 59731 — Garrison, MT

59731 is a ZIP Code associated with Garrison, MT, located within Powell. The postal region supports an estimated population of 198 residents across Data Pending housing units, with a population density of 0.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.584550, -112.763260)

Data MetricLocal Statistic
Postal / Zip Code59731
Primary CityGarrison
State / ProvinceMT
CountyPowell
Total Population198
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.6 people/sq mi
TimezoneAmerica/Denver

How 59731 Compares

MetricZIP 59731Powell CountyMT State Average
Population1987,2191,117,606
Median IncomeData PendingN/AN/A
Population Density0.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59733Gold Creek9.2 mi196N/A
Zip 59713Avon9.7 mi253N/A
Zip 59722Deer Lodge16.1 mi5,732N/A
Zip 59728Elliston17.6 mi394N/A
Zip 59843Helmville21.7 mi251N/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 →