Home > AK > Kusilvak County > Kotlik > Zip 99620

Zip Code 99620 — Kotlik, AK

99620 is a ZIP Code associated with Kotlik, AK, located within Kusilvak. The postal region supports an estimated population of 976 residents across Data Pending housing units, with a population density of 125.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (63.030470, -163.553000)

Data MetricLocal Statistic
Postal / Zip Code99620
Primary CityKotlik
State / ProvinceAK
CountyKusilvak
Total Population976
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density125.9 people/sq mi
TimezoneAmerica/Nome

How 99620 Compares

MetricZIP 99620Kusilvak CountyAK State Average
Population9768,112735,134
Median IncomeData PendingN/AN/A
Population Density125.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99581Emmonak38.4 mi966N/A
Zip 99554Alakanuk41.3 mi864N/A
Zip 99671Stebbins50.4 mi596N/A
Zip 99659Saint Michael54.0 mi177N/A
Zip 99666Nunam Iqua62.9 miN/AN/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 →