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ZIP CODE TABULATION AREA

94403

California · 43,276 residents · 5.633 sq mi
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ZIP 94403 is significantly wealthier than the US average, with a median household income of $174,917. Population has held roughly steady since 2024. 61% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $1,746,300. Among the 29 ZIP codes in San Mateo County, 94403 ranks 15th by median household income.

$174,917
US average: $82,259
$1,746,300
US average: $376,019
60.6%
US average: 35.6%
Age, sex & households
Under 18
19.2%
Age 65+
16.3%
50.0%
50.0%
2.59 people
Race & ethnicity · 2024
2024
White, non-Hispanic35.7%(15,441)
Black1.4%(599)
Hispanic / Latino25.3%(10,955)
Asian31.1%(13,439)
Other6.6%(2,842)
Diversity Score88.5%(38,281)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within San Mateo County
Income rank vs other ZIPs
LOWEST15TH 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 94403?

ZIP code 94403 has about 43,276 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 94403?

The typical household in ZIP code 94403 earns about $174,917 a year. Half of households make more than that, and half make less.

Is ZIP code 94403 expensive?

In ZIP code 94403, the median home is worth about $1,746,300, and the typical rent is about $3,263 a month.

How educated are people in ZIP code 94403?

About 60.6% of adults age 25 and over in ZIP code 94403 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 94403?

About 6.6% of people in ZIP code 94403 live below the federal poverty line.

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