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ZIP CODE TABULATION AREA

98155

Washington · 36,511 residents · 7.544 sq mi
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ZIP 98155 is significantly wealthier than the US average, with a median household income of $131,540. Population has held roughly steady since 2024. 56% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $816,400. Poverty is rare here, at 6.1% of residents. Among the 80 ZIP codes in King County, 98155 ranks 38th by median household income.

$131,540
US average: $82,259
$816,400
US average: $376,019
56.5%
US average: 35.6%
Age, sex & households
Under 18
20.3%
Age 65+
17.6%
50.9%
49.1%
2.48 people
Race & ethnicity · 2024
2024
White, non-Hispanic64.1%(23,391)
Black4.6%(1,664)
Hispanic / Latino8.9%(3,261)
Asian13%(4,749)
Other9.4%(3,446)
Diversity Score69.2%(25,269)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within King County
Income rank vs other ZIPs
LOWEST38TH OF 80HIGHEST
Adjacent ZIPs
98001$106,791
98002$78,684
98003$75,319
98004$182,545
Frequently asked

How many people live in ZIP code 98155?

ZIP code 98155 has about 36,511 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98155?

The typical household in ZIP code 98155 earns about $131,540 a year. Half of households make more than that, and half make less.

Is ZIP code 98155 expensive?

In ZIP code 98155, the median home is worth about $816,400, and the typical rent is about $2,127 a month.

How educated are people in ZIP code 98155?

About 56.5% of adults age 25 and over in ZIP code 98155 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98155?

About 6.1% of people in ZIP code 98155 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024