Home > AK > Kusilvak County > Russian Mission > Zip 99657

Zip Code 99657 — Russian Mission, AK

99657 is a ZIP Code associated with Russian Mission, AK, located within Kusilvak. 99657 ranks #9 out of 12 ZIP codes in Kusilvak County by population (and #122 out of 245 in AK). The area supports an estimated population of 442 residents across Data Pending housing units, with a population density of 0.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (61.789160, -161.426980)

Data MetricLocal Statistic
Postal / Zip Code99657
Primary CityRussian Mission
State / ProvinceAK
CountyKusilvak
Total Population442
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.2 people/sq mi
TimezoneAmerica/Anchorage

How 99657 Compares

MetricZIP 99657Kusilvak CountyAK State Average
Population4428,112 (Total)735,134 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density0.2 /sq mi----
County Pop Rank#9 of 12----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99585Marshall21.1 mi386N/A
Zip 99607Kalskag39.7 mi239N/A
Zip 99626Lower Kalskag39.9 mi239N/A
Zip 99650Pilot Station48.7 mi713N/A
Zip 99679Tuluksak49.8 mi118N/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 →