Home > WA > King County > Seattle > Zip 98103

Zip Code 98103 — Seattle, WA

98103 is a ZIP Code associated with Seattle, WA, located within King. The postal region supports an estimated population of 52,671 residents across Data Pending housing units, with a population density of 4,435.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.673200, -122.342580)

Data MetricLocal Statistic
Postal / Zip Code98103
Primary CitySeattle
State / ProvinceWA
CountyKing
Total Population52,671
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4,435.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 98103 Compares

MetricZIP 98103King CountyWA State Average
Population52,6712,298,7147,816,021
Median IncomeData PendingN/AN/A
Population Density4,435.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 98107Seattle1.7 mi28,776N/A
Zip 98195Seattle2.1 mi2,757N/A
Zip 98117Seattle2.1 mi35,711N/A
Zip 98119Seattle2.6 mi26,879N/A
Zip 98102Seattle2.7 mi27,333N/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 →