91789   Zip Code Walnut Los Angeles CA United States

City Walnut
County Los Angeles
State California
Latitude 34.01858
Longitude -117.85408
Population 40,298
Density 2540.41 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: $125,720
Median individual: $48,658

Race

Mode: 67.8% Asian

Gender

 51.3% female 

Rent

  $2865 / month  

Median house value: $974,844.0

Age

Median: 46.3 years old

Education

With at least college degree: 54.4%
With STEM degree: 48.7%

Marital Status

 62.1% married 

Never married: 27.7%

Labor Force Participation

 58.9% working 

Unemployed: 4.4%

Average Family Size

 3.39 people 

Commute Time

 33.5 minutes 

Health Care

 4.1% uninsured 

Poverty

 9.2%

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

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