Home > ND > Morton County > Glen Ullin > Zip 58631

Zip Code 58631 — Glen Ullin, ND

58631 is a ZIP Code associated with Glen Ullin, ND, located within Morton. The postal region supports an estimated population of 953 residents across Data Pending housing units, with a population density of 1.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.796900, -101.821560)

Data MetricLocal Statistic
Postal / Zip Code58631
Primary CityGlen Ullin
State / ProvinceND
CountyMorton
Total Population953
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.0 people/sq mi
TimezoneAmerica/North_Dakota/New_Salem

How 58631 Compares

MetricZIP 58631Morton CountyND State Average
Population95334,748784,123
Median IncomeData PendingN/AN/A
Population Density1.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 58638Hebron13.8 mi874N/A
Zip 58520Almont15.7 mi272N/A
Zip 58563New Salem19.8 mi1,961N/A
Zip 58652Richardton22.1 mi1,244N/A
Zip 58533Elgin27.8 mi830N/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 →