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Zip Code 59230 — Glasgow, MT

59230 is a ZIP Code associated with Glasgow, MT, located within Valley. The postal region supports an estimated population of 4,606 residents across Data Pending housing units, with a population density of 1.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (48.099920, -106.801960)

Data MetricLocal Statistic
Postal / Zip Code59230
Primary CityGlasgow
State / ProvinceMT
CountyValley
Total Population4,606
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.2 people/sq mi
TimezoneAmerica/Denver

How 59230 Compares

MetricZIP 59230Valley CountyMT State Average
Population4,6067,4311,117,606
Median IncomeData PendingN/AN/A
Population Density1.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59273Vandalia14.8 mi15N/A
Zip 59231Saint Marie24.1 mi306N/A
Zip 59241Hinsdale27.4 mi439N/A
Zip 59248Nashua27.8 mi1,023N/A
Zip 59223Fort Peck31.2 mi19N/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 →