91739   Zip Code Rancho Cucamonga San Bernardino CA United States

City Rancho Cucamonga
County San Bernardino
State California
Latitude 34.1622
Longitude -117.51558
Population 41,673
Density 1466.58 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: $143,265
Median individual: $59,173

Race

Mode: 37.0% White

Gender

 54.3% male 

Rent

  $2535 / month  

Median house value: $899,752.0

Age

Median: 37.6 years old

Education

With at least college degree: 44.5%
With STEM degree: 47.3%

Marital Status

 53.5% married 

Never married: 33.8%

Labor Force Participation

 68.5% working 

Unemployed: 6.0%

Average Family Size

 3.67 people 

Commute Time

 32.6 minutes 

Health Care

 3.9% uninsured 

Poverty

 7.0%

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

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