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ZIP CODE TABULATION AREA

98188

Washington · 27,311 residents · 8.07 sq mi
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With 27,311 people, ZIP 98188 is a ZIP code in King County. The foreign-born share is 40%. 42% of homes are owner-occupied. That trails the King County median by roughly 39%. Density works out to 3,386 people per square mile. About 28% of adults have finished a four-year degree. Among the 80 ZIP codes in King County, 98188 ranks 74th by median household income.

$76,438
US average: $82,259
$41,508
US average: $44,673
$456,400
US average: $376,019
28.1%
US average: 35.6%
Land area
8.07 sq mi
Age, sex & households
Under 18
20.6%
Age 65+
14.0%
55.4%
44.6%
2.38 people
Race & ethnicity · 2024
2024
White, non-Hispanic28%(7,647)
Black27.8%(7,595)
Hispanic / Latino20.5%(5,601)
Asian14.5%(3,968)
Other9.2%(2,500)
97
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
6.0
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
LOWEST74TH 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 98188?

ZIP code 98188 has about 27,311 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98188?

The typical household in ZIP code 98188 earns about $76,438 a year. Half of households make more than that, and half make less.

Is ZIP code 98188 expensive?

In ZIP code 98188, the median home is worth about $456,400, and the typical rent is about $1,678 a month.

How educated are people in ZIP code 98188?

About 28.1% of adults age 25 and over in ZIP code 98188 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98188?

About 8.5% of people in ZIP code 98188 live below the federal poverty line.

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