Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/SEATAC

SeaTac ZIP codes, Washington

No ZIP code is named for SeaTac, WA; addresses there use a neighbouring town's name. 6 ZIP codes cover it: 98198, 98168, 98032, 98188, 98148 and 98158.

USPS city name
0 ZIP codes
Overlapping the city
6 more
Population
32,414

SeaTac in numbers

About 32,414 people live in SeaTac, in 12,134 households, the 43rd-largest of Washington's 628 census places. The median household income is $81,104 a year, 17% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $519,700 (8% below the Washington median), and median gross rent is $1,660 a month. The median age is 36.8; 26.4% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 25 minutes.

Population32,414SeaTac32,414
Households12,134SeaTac12,134
Median age36.8SeaTac36.8Washington38.3US 38.9
Median household income$81,104SeaTac$81,104Washington$98,141US $80,734
Median home value$519,700SeaTac$519,700Washington$564,600US $332,700
Median gross rent$1,660SeaTac$1,660Washington$1,760US $1,413
Bachelor's degree or higher26.4%SeaTac26.4%Washington39.6%US 35.7%
Mean commute25.4 minSeaTac25.4 minWashington26.6 minUS 26.4 min
Population density3,221 / sq miSeaTac3,221 / sq mi

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

ZIP codes covering SeaTac

These ZIP codes cover part of SeaTac but are addressed as somewhere else.

ZIP codes overlapping SeaTac
ZIP City Type Population Median income Median home
98032 Kent , WA Standard 40,862 $82,636 $520,800
98148 Seattle , WA Standard 9,715 $87,342 $607,900
98158 Seattle , WA Standard 0 — —
98168 Seattle , WA Standard 35,528 $88,083 $548,000
98188 Seattle , WA Standard 27,311 $76,438 $456,400
98198 Seattle , WA Standard 40,463 $86,239 $589,500

Map of SeaTac ZIP codes

980329814898158981689818898198

The ZIP codes of SeaTac, 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 SeaTac

The nearest larger towns are Burien (51,513 people, 3.1 mi), Des Moines (32,823 people, 3.9 mi) and Renton (105,317 people, 5.4 mi).

Towns near SeaTac
TownPopulationDistance
Normandy Park 6,659 2.3 mi
Tukwila 21,451 2.5 mi
Burien 51,513 3.1 mi
Des Moines 32,823 3.9 mi
Bryn Mawr-Skyway 17,638 4.5 mi
Boulevard Park 4,575 4.9 mi
White Center 14,886 5.1 mi
Renton 105,317 5.4 mi
Kent 135,603 5.5 mi
Fairwood 17,856 7.3 mi
Lakeland North 15,950 7.4 mi
Vashon 9,934 7.7 mi
Newcastle 12,989 8.7 mi
Mercer Island 25,307 8.9 mi

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

Cite this page

zipcodes.pro. “SeaTac, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/seatac

Underlying data is public domain or openly licensed — sources, vintages and licences.