Somerset   County NJ United States

County FIPS 34035
Largest City Franklin
State New Jersey
Latitude 40.5635
Longitude -74.6163
Population 349,846
Density 1159.25 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: $140,374
Median individual: $62,594

Race

Mode: 51.6% White

Gender

 50.7% female 

Rent

  $2033 / month  

Median house value: $551,947.0

Age

Median: 41.8 years old

Education

With at least college degree: 57.8%
With STEM degree: 53.8%

Marital Status

 55.7% married 

Never married: 30.7%

Labor Force Participation

 70.0% working 

Unemployed: 4.7%

Average Family Size

 3.15 people 

Commute Time

 31.4 minutes 

Health Care

 5.4% uninsured 

Poverty

 5.4%

All data comes from the SimpleMaps US Counties Database, 2026.

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