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ZIP CODE TABULATION AREA

98121

Washington · 21,166 residents · 0.44 sq mi
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ZIP 98121 is a ZIP code of 21,166 people in King County. 79% of adults hold a bachelor's degree, against 36% nationally. Owners hold 23% of the housing stock. 43% of people in this ZIP code were born outside the United States. Median home value sits at $848,400. People stay put here: 65% were in the same home a year ago. Among the 80 ZIP codes in King County, 98121 ranks 28th by median household income.

$152,019
US average: $82,259
$125,577
US average: $44,673
$848,400
US average: $376,019
78.9%
US average: 35.6%
Land area
0.44 sq mi
Age, sex & households
Under 18
1.9%
Age 65+
10.6%
54.4%
45.6%
1.44 people
Race & ethnicity · 2024
2024
White, non-Hispanic45%(9,524)
Black4%(850)
Hispanic / Latino6.6%(1,394)
Asian36.6%(7,739)
Other7.8%(1,659)
81
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
5.6
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within King County
Income rank vs other ZIPs
LOWEST28TH 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 98121?

ZIP code 98121 has about 21,166 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98121?

The typical household in ZIP code 98121 earns about $152,019 a year. Half of households make more than that, and half make less.

Is ZIP code 98121 expensive?

In ZIP code 98121, the median home is worth about $848,400, and the typical rent is about $2,337 a month.

How educated are people in ZIP code 98121?

About 78.9% of adults age 25 and over in ZIP code 98121 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98121?

About 8.7% of people in ZIP code 98121 live below the federal poverty line.

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