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Zip Code 99658 — Saint Marys, AK

99658 is a ZIP Code associated with Saint Marys, AK, located within Kusilvak. The postal region supports an estimated population of 979 residents across Data Pending housing units, with a population density of 8.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (62.076100, -163.281110)

Data MetricLocal Statistic
Postal / Zip Code99658
Primary CitySaint Marys
State / ProvinceAK
CountyKusilvak
Total Population979
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density8.8 people/sq mi
TimezoneAmerica/Nome

How 99658 Compares

MetricZIP 99658Kusilvak CountyAK State Average
Population9798,112735,134
Median IncomeData PendingN/AN/A
Population Density8.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99632Mountain Village12.6 mi949N/A
Zip 99650Pilot Station15.8 mi713N/A
Zip 99585Marshall42.3 mi386N/A
Zip 99554Alakanuk60.6 mi864N/A
Zip 99657Russian Mission63.5 mi442N/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 →