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Zip Code 98003 — Federal Way, WA

98003 is a ZIP Code associated with Federal Way, WA, located within King. The postal region supports an estimated population of 51,619 residents across Data Pending housing units, with a population density of 1,732.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.305960, -122.314650)

Data MetricLocal Statistic
Postal / Zip Code98003
Primary CityFederal Way
State / ProvinceWA
CountyKing
Total Population51,619
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,732.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 98003 Compares

MetricZIP 98003King CountyWA State Average
Population51,6192,298,7147,816,021
Median IncomeData PendingN/AN/A
Population Density1,732.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98023Federal Way2.2 mi50,448N/A
Zip 98001Auburn2.4 mi37,460N/A
Zip 98422Tacoma3.8 mi21,644N/A
Zip 98354Milton3.8 mi8,597N/A
Zip 98047Pacific4.4 mi6,817N/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 →