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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/WA/BRYN-MAWR-SKYWAY

Bryn Mawr-Skyway ZIP codes, Washington

No ZIP code is named for Bryn Mawr-Skyway, WA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 98178 and 98057.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
17,638

Bryn Mawr-Skyway in numbers

About 17,638 people live in Bryn Mawr-Skyway, in 6,315 households. The median household income is $90,969 a year, 7% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $655,200 (16% above the Washington median), and median gross rent is $1,760 a month. The median age is 39.0; 37.6% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 33 minutes.

Population17,638Bryn Mawr-Skyway17,638
Households6,315Bryn Mawr-Skyway6,315
Median age39.0Bryn Mawr-Skyway39.0Washington38.3US 38.9
Median household income$90,969Bryn Mawr-Skyway$90,969Washington$98,141US $80,734
Median home value$655,200Bryn Mawr-Skyway$655,200Washington$564,600US $332,700
Median gross rent$1,760Bryn Mawr-Skyway$1,760Washington$1,760US $1,413
Bachelor's degree or higher37.6%Bryn Mawr-Skyway37.6%Washington39.6%US 35.7%
Mean commute32.6 minBryn Mawr-Skyway32.6 minWashington26.6 minUS 26.4 min
Population density6,180 / sq miBryn Mawr-Skyway6,180 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Bryn Mawr-Skyway CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Bryn Mawr-Skyway

These ZIP codes cover part of Bryn Mawr-Skyway but are addressed as somewhere else.

ZIP codes overlapping Bryn Mawr-Skyway
ZIP City Type Population Median income Median home
98057 Renton , WA Standard 12,705 $68,552 $648,800
98178 Seattle , WA Standard 26,748 $99,505 $660,400

Map of Bryn Mawr-Skyway ZIP codes

9805798178

The ZIP codes of Bryn Mawr-Skyway, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Bryn Mawr-Skyway

The nearest larger towns are Tukwila (21,451 people, 2.1 mi), Renton (105,317 people, 2.4 mi) and SeaTac (32,414 people, 4.5 mi).

Towns near Bryn Mawr-Skyway
TownPopulationDistance
Tukwila 21,451 2.1 mi
Renton 105,317 2.4 mi
Boulevard Park 4,575 3.7 mi
Newcastle 12,989 4.3 mi
SeaTac 32,414 4.5 mi
Mercer Island 25,307 4.8 mi
Burien 51,513 5.0 mi
White Center 14,886 5.1 mi
Fairwood 17,856 5.6 mi
Normandy Park 6,659 6.5 mi
East Renton Highlands 12,582 7.3 mi
Kent 135,603 7.5 mi
Maple Heights-Lake Desire 4,113 8.0 mi
Bellevue 151,847 8.1 mi

More nearby: every ZIP code in King County · Washington ZIP codes

Cite this page

zipcodes.pro. “Bryn Mawr-Skyway, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/bryn-mawr-skyway

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