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Zip Code 98023 — Federal Way, WA

98023 is a ZIP Code associated with Federal Way, WA, located within King. The postal region supports an estimated population of 50,448 residents across Data Pending housing units, with a population density of 1,897.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.308810, -122.361980)

Data MetricLocal Statistic
Postal / Zip Code98023
Primary CityFederal Way
State / ProvinceWA
CountyKing
Total Population50,448
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,897.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 98023 Compares

MetricZIP 98023King CountyWA State Average
Population50,4482,298,7147,816,021
Median IncomeData PendingN/AN/A
Population Density1,897.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98422Tacoma1.9 mi21,644N/A
Zip 98003Federal Way2.2 mi51,619N/A
Zip 98421Tacoma3.9 mi424N/A
Zip 98354Milton4.5 mi8,597N/A
Zip 98001Auburn4.6 mi37,460N/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 →