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ZIP CODE TABULATION AREA

98240

Washington · 3,593 residents · 22.258 sq mi
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ZIP 98240 is significantly wealthier than the US average, with a median household income of $110,116. Population has held roughly steady since 2024. Median home value is $619,700. Poverty is rare here, at 4.3% of residents. Households here earn about 35% more than the Whatcom County median. Among the 16 ZIP codes in Whatcom County, 98240 ranks 1st by median household income.

$110,116
US average: $82,259
$619,700
US average: $376,019
23.6%
US average: 35.6%
Age, sex & households
Under 18
28.9%
Age 65+
15.1%
50.1%
49.9%
2.83 people
Race & ethnicity · 2024
2024
White, non-Hispanic76.5%(2,749)
Black0.1%(3)
Hispanic / Latino19.6%(703)
Asian1%(37)
Other2.8%(101)
Diversity Score46.9%(1,686)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Whatcom County
Income rank vs other ZIPs
LOWEST1ST OF 16HIGHEST
Adjacent ZIPs
98220$92,266
98225$63,941
98226$79,375
98229$90,945
Frequently asked

How many people live in ZIP code 98240?

ZIP code 98240 has about 3,593 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98240?

The typical household in ZIP code 98240 earns about $110,116 a year. Half of households make more than that, and half make less.

Is ZIP code 98240 expensive?

In ZIP code 98240, the median home is worth about $619,700.

How educated are people in ZIP code 98240?

About 23.6% of adults age 25 and over in ZIP code 98240 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98240?

About 4.3% of people in ZIP code 98240 live below the federal poverty line.

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