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Zip Code 59803 — Missoula, MT

59803 is a ZIP Code associated with Missoula, MT, located within Missoula. The postal region supports an estimated population of 18,401 residents across Data Pending housing units, with a population density of 73.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.777810, -113.958260)

Data MetricLocal Statistic
Postal / Zip Code59803
Primary CityMissoula
State / ProvinceMT
CountyMissoula
Total Population18,401
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density73.3 people/sq mi
TimezoneAmerica/Denver

How 59803 Compares

MetricZIP 59803Missoula CountyMT State Average
Population18,401119,2801,117,606
Median IncomeData PendingN/AN/A
Population Density73.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59801Missoula5.9 mi30,916N/A
Zip 59812Missoula5.9 mi1,181N/A
Zip 59851Milltown7.7 mi145N/A
Zip 59802Missoula9.0 mi19,864N/A
Zip 59833Florence10.8 mi6,316N/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 →