91765   Zip Code Diamond Bar Los Angeles CA United States

City Diamond Bar
County Los Angeles
State California
Latitude 33.98725
Longitude -117.81473
Population 44,502
Density 2396.63 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: $105,565
Median individual: $45,227

Race

Mode: 62.2% Asian

Gender

 52.3% female 

Rent

  $2486 / month  

Median house value: $915,026.0

Age

Median: 46.0 years old

Education

With at least college degree: 53.7%
With STEM degree: 49.5%

Marital Status

 55.2% married 

Never married: 30.5%

Labor Force Participation

 60.7% working 

Unemployed: 5.0%

Average Family Size

 3.24 people 

Commute Time

 33.1 minutes 

Health Care

 3.3% uninsured 

Poverty

 10.7%

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

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