94027   Zip Code Atherton San Mateo CA United States

City Atherton
County San Mateo
State California
Latitude 37.45399
Longitude -122.20313
Population 7,030
Density 1398.96 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

< 5K> $150K0204060

Median household: $250,001
Median individual: $107,273

Race

WhiteAsianMultipleOther

Mode: 69.8% White

Gender

 50.9% female 

Rent

  $3501 / month  

Median house value: $2,000,001.0

Age

0%2%4%6%8%10%12%14%16%18%10-1930s50s70s

Median: 49.1 years old

Education

< High SchoolHigh SchoolSome CollegeBachelorsGrad School

With at least college degree: 86.0%
With STEM degree: 56.0%

Marital Status

 60.1% married 

Never married: 32.5%

Labor Force Participation

 50.2% working 

Unemployed: 3.0%

Average Family Size

 3.10 people 

Commute Time

 23.6 minutes 

Health Care

 1.6% uninsured 

Poverty

 3.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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