94597   Zip Code Walnut Creek Contra Costa CA United States

City Walnut Creek
County Contra Costa
State California
Latitude 37.91768
Longitude -122.0718
Population 23,129
Density 5708.29 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: $132,063
Median individual: $72,842

Race

Mode: 55.1% White

Gender

 50.1% male 

Rent

  $2661 / month  

Median house value: $1,029,219.0

Age

Median: 39.1 years old

Education

With at least college degree: 65.2%
With STEM degree: 50.4%

Marital Status

 44.9% married 

Never married: 35.9%

Labor Force Participation

 72.0% working 

Unemployed: 7.4%

Average Family Size

 2.86 people 

Commute Time

 32.0 minutes 

Health Care

 3.6% uninsured 

Poverty

 8.1%

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

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