CensusEasy
ZIP CODE TABULATION AREA

98031

Washington · 40,094 residents · 7.733 sq mi
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ZIP 98031 is wealthier than most US places, with a median household income of $105,965. Population has held roughly steady since 2024. Median home value is $611,600. Among the 80 ZIP codes in King County, 98031 ranks 58th by median household income.

$105,965
US average: $82,259
$611,600
US average: $376,019
32.1%
US average: 35.6%
Age, sex & households
Under 18
22.7%
Age 65+
12.9%
50.1%
49.9%
2.83 people
Race & ethnicity · 2024
2024
White, non-Hispanic33.6%(13,484)
Black12.9%(5,161)
Hispanic / Latino12.5%(5,029)
Asian29.4%(11,798)
Other11.5%(4,622)
Diversity Score94.3%(37,824)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within King County
Income rank vs other ZIPs
LOWEST58TH 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 98031?

ZIP code 98031 has about 40,094 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98031?

The typical household in ZIP code 98031 earns about $105,965 a year. Half of households make more than that, and half make less.

Is ZIP code 98031 expensive?

In ZIP code 98031, the median home is worth about $611,600, and the typical rent is about $1,991 a month.

How educated are people in ZIP code 98031?

About 32.1% of adults age 25 and over in ZIP code 98031 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98031?

About 10.4% of people in ZIP code 98031 live below the federal poverty line.

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