CensusEasy
ZIP CODE TABULATION AREA

98178

Washington · 26,748 residents · 4.901 sq mi
Compare

ZIP 98178 is wealthier than most US places, with a median household income of $99,505. Population has held roughly steady since 2024. Median home value is $660,400. Among the 80 ZIP codes in King County, 98178 ranks 62nd by median household income.

$99,505
US average: $82,259
$660,400
US average: $376,019
36.1%
US average: 35.6%
Age, sex & households
Under 18
20.5%
Age 65+
17.6%
49.8%
50.2%
2.84 people
Race & ethnicity · 2024
2024
White, non-Hispanic28.7%(7,664)
Black20.3%(5,423)
Hispanic / Latino9%(2,397)
Asian31.9%(8,534)
Other10.2%(2,730)
Diversity Score94.6%(25,295)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within King County
Income rank vs other ZIPs
LOWEST62ND 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 98178?

ZIP code 98178 has about 26,748 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98178?

The typical household in ZIP code 98178 earns about $99,505 a year. Half of households make more than that, and half make less.

Is ZIP code 98178 expensive?

In ZIP code 98178, the median home is worth about $660,400, and the typical rent is about $1,869 a month.

How educated are people in ZIP code 98178?

About 36.1% of adults age 25 and over in ZIP code 98178 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98178?

About 9.9% of people in ZIP code 98178 live below the federal poverty line.

Keep going

Explore from here

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