94404   Zip Code San Mateo San Mateo CA United States

City San Mateo
County San Mateo
State California
Latitude 37.5562
Longitude -122.26905
Population 35,881
Density 8250.78 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $192,332
Median individual: $106,224

Race

Mode: 52.6% Asian

Gender

 51.8% female 

Rent

  $3501 / month  

Median house value: $1,710,182.0

Age

Median: 39.8 years old

Education

With at least college degree: 74.2%
With STEM degree: 68.8%

Marital Status

 59.3% married 

Never married: 28.1%

Labor Force Participation

 67.6% working 

Unemployed: 4.6%

Average Family Size

 2.99 people 

Commute Time

 29.0 minutes 

Health Care

 2.2% uninsured 

Poverty

 4.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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