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ZIP CODE TABULATION AREA

98166

Washington · 22,082 residents · 5.78 sq mi
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ZIP 98166 is a ZIP code of 22,082 people in King County. The typical home is worth $824,400. The median age is 43.6, about 5 years above the US median. About 47% of adults have finished a four-year degree. Density works out to 3,823 people per square mile. The median household earns $114,969, about 40% above the national median. Among the 80 ZIP codes in King County, 98166 ranks 52nd by median household income.

$114,969
US average: $82,259
$66,945
US average: $44,673
$824,400
US average: $376,019
46.9%
US average: 35.6%
Land area
5.78 sq mi
Age, sex & households
Under 18
18.4%
Age 65+
20.5%
51.6%
48.4%
2.45 people
Race & ethnicity · 2024
2024
White, non-Hispanic66.8%(14,747)
Black2.1%(470)
Hispanic / Latino14.7%(3,239)
Asian6.6%(1,448)
Other9.9%(2,178)
65
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
7.2
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
LOWEST52ND 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 98166?

ZIP code 98166 has about 22,082 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98166?

The typical household in ZIP code 98166 earns about $114,969 a year. Half of households make more than that, and half make less.

Is ZIP code 98166 expensive?

In ZIP code 98166, the median home is worth about $824,400, and the typical rent is about $1,782 a month.

How educated are people in ZIP code 98166?

About 46.9% of adults age 25 and over in ZIP code 98166 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98166?

About 10.1% of people in ZIP code 98166 live below the federal poverty line.

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