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ZIP CODE TABULATION AREA

94402

California · 25,475 residents · 5.05 sq mi
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ZIP 94402 is a ZIP code of 25,475 people in San Mateo County. 69% of adults hold a bachelor's degree, against 36% nationally. Median home value sits at $2,000,000+. Renters pay $3,500+ a month at the median. Median household income runs $172,522, well clear of the $82,259 US median. 28% of people in this ZIP code were born outside the United States. Among the 29 ZIP codes in San Mateo County, 94402 ranks 16th by median household income.

$172,522
US average: $82,259
$109,498
US average: $44,673
$2,000,000+
US average: $376,019
68.6%
US average: 35.6%
Land area
5.05 sq mi
Age, sex & households
Under 18
21.9%
Age 65+
19.9%
47.0%
53.0%
2.50 people
Race & ethnicity · 2024
2024
White, non-Hispanic46.5%(11,855)
Black1.1%(280)
Hispanic / Latino15.7%(3,997)
Asian28.1%(7,148)
Other8.6%(2,195)
84
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
11.6
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
LOWEST16TH OF 29HIGHEST
Adjacent ZIPs
94002$203,965
94005$156,169
94010$196,882
94014$122,966
In context

ZIP 94402 compared with San Mateo County

MeasureZIP 94402San Mateo CountyDifference
Median household income$172,522$158,8559% higher
Median home value$2,000,000+$1,559,600–
Homes that are rented41.6%41.5%About the same
Bachelor's degree or higher68.6%53.7%+15.0 pts
Poverty rate5.2%6.7%−1.5 pts
Foreign-born residents27.9%35.7%−7.8 pts
Median age40.840.9About the same
Frequently asked

How many people live in ZIP code 94402?

ZIP code 94402 has about 25,475 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 94402?

The typical household in ZIP code 94402 earns about $172,522 a year. Half of households make more than that, and half make less.

Is ZIP code 94402 expensive?

In ZIP code 94402, the median home is worth $2,000,000 or more, and the typical rent is $3,500 or more a month.

How educated are people in ZIP code 94402?

About 68.6% of adults age 25 and over in ZIP code 94402 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 94402?

About 5.2% of people in ZIP code 94402 live below the federal poverty line.

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