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ZIP CODE TABULATION AREA

94018

California · 3,834 residents · 0.579 sq mi
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ZIP 94018 is significantly wealthier than the US average, with a median household income of $230,053. Population has held roughly steady since 2024. 56% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $1,430,200. With a median age of 51.4, the population is older than the US median of 38.9. Households here earn about 45% more than the San Mateo County median. Among the 29 ZIP codes in San Mateo County, 94018 ranks 9th by median household income.

$230,053
US average: $82,259
$1,430,200
US average: $376,019
56.1%
US average: 35.6%
Age, sex & households
Under 18
14.6%
Age 65+
15.2%
55.3%
44.7%
2.45 people
Race & ethnicity · 2024
2024
White, non-Hispanic83.6%(3,204)
Black0%(0)
Hispanic / Latino12.2%(467)
Asian1.7%(66)
Other2.5%(97)
Diversity Score35.7%(1,370)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within San Mateo County
Income rank vs other ZIPs
LOWEST9TH OF 29HIGHEST
Adjacent ZIPs
94002$203,965
94005$156,169
94010$196,882
94014$122,966
Frequently asked

How many people live in ZIP code 94018?

ZIP code 94018 has about 3,834 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 94018?

The typical household in ZIP code 94018 earns about $230,053 a year. Half of households make more than that, and half make less.

Is ZIP code 94018 expensive?

In ZIP code 94018, the median home is worth about $1,430,200.

How educated are people in ZIP code 94018?

About 56.1% of adults age 25 and over in ZIP code 94018 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 94018?

About 4.2% of people in ZIP code 94018 live below the federal poverty line.

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