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Zip Code 99658 — Saint Marys, AK

ZIP Code 99658 is associated with Saint Marys, AK, in Kusilvak County. The listed population estimate is 979; estimated density is 8.8 people per square mile. Among records with population estimates, it ranks #1 of 11 in Kusilvak County and #67 of 236 in AK.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (62.076100, -163.281110)

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

How 99658 Compares

MetricZIP 99658Kusilvak County recordsAK records
Population estimate9798,112 (sum)735,134 (sum)
Population Density8.8 /sq mi----
County population rank#1 of 11----
State population rank#67 of 236----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in AK

ZIP CodeCityDistancePopulation estimate
ZIP 99632Mountain Village12.6 mi949
ZIP 99650Pilot Station15.8 mi713
ZIP 99585Marshall42.3 mi386
ZIP 99554Alakanuk60.6 mi864
ZIP 99657Russian Mission63.5 mi442

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 →