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Zip Code 98188 — Seattle, WA

ZIP Code 98188 is associated with Seattle, WA, in King County. The listed population estimate is 27,311; estimated density is 1,307.2 people per square mile. Among records with population estimates, it ranks #42 of 83 in King County and #124 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.447540, -122.273980)

Data MetricLocal Statistic
Postal / Zip Code98188
Primary CitySeattle
State / ProvinceWA
CountyKing
Total Population27,311
Population Density1,307.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 98188 Compares

MetricZIP 98188King County recordsWA records
Population estimate27,3112,298,714 (sum)7,816,021 (sum)
Population Density1,307.2 /sq mi----
County population rank#42 of 83----
State population rank#124 of 597----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WA

ZIP CodeCityDistancePopulation estimate
ZIP 98158Seattle1.6 miN/A
ZIP 98148Seattle2.4 mi9,715
ZIP 98057Renton3.0 mi12,705
ZIP 98168Seattle3.1 mi35,528
ZIP 98055Renton3.4 mi24,660

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 →