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ZIP CODE TABULATION AREA

94403

California · 43,276 residents · 5.63 sq mi
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With 43,276 people, ZIP 94403 is a ZIP code in San Mateo County. The typical home is worth $1,746,300. This is an unusually credentialed place: 61% of adults have a four-year degree. Renters pay $3,263 a month at the median. Median household income runs $174,917, well clear of the $82,259 US median. The foreign-born share is 37%. Among the 29 ZIP codes in San Mateo County, 94403 ranks 15th by median household income.

$174,917
US average: $82,259
$88,226
US average: $44,673
$1,746,300
US average: $376,019
60.6%
US average: 35.6%
Land area
5.63 sq mi
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)
88
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
10.0
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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