Cost of Living in Mercer County, NJ

Modeled annual cost: $57,155.

Median family income: $124,699.

Affordability Snapshot

NJ County Median

$59,331

State Rank

16thMost expensive counties in NJ out of 21See New Jersey county rankings

Median Income

$124,699

Location Type

Metro

Biggest category:

Housing is the biggest expense in Mercer County, NJ.

$16,692 per year.

Cost breakdown

Total

$57,155

Per year

  • Housing:$16,692
  • Transport:$12,742
  • Taxes:$10,849
  • Other Costs:$6,630
  • Healthcare:$5,580
  • Food:$4,662
  • Childcare:$0

* Percentages may not add up to 100% due to rounding.

See how Mercer County, NJ compares across the country.

Explore our cost of living interactive map to compare Mercer County, NJ with multiple counties in the United States.

How WatchPennies calculates salary needed
Cost of Living in Mercer County, NJ (2026)