08550   Zip Code Princeton Junction Mercer NJ United States

City Princeton Junction
County Mercer
State New Jersey
Latitude 40.28125
Longitude -74.61926
Population 21,067
Density 1101.3 people per square mile
Time Zone America/New York
  • 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: $224,213
Median individual: $111,813

Race

Mode: 55.0% Asian

Gender

 50.7% male 

Rent

  $2584 / month  

Median house value: $801,238.0

Age

Median: 45.4 years old

Education

With at least college degree: 85.6%
With STEM degree: 64.6%

Marital Status

 67.8% married 

Never married: 22.7%

Labor Force Participation

 66.8% working 

Unemployed: 2.7%

Average Family Size

 3.07 people 

Commute Time

 43.1 minutes 

Health Care

 2.2% uninsured 

Poverty

 2.5%

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

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