Old Bridge vs Trenton: Mechanical Engineer Salary (2026)
Compare mechanical engineer salaries between Old Bridge, NJ and Trenton, NJ. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | Old Bridge, NJ | Trenton, NJ |
|---|---|---|
| Median Salary | $121,983▲ | $104,433 |
| Hourly Rate | $58.64▲ | $50.20 |
| Entry Level (P10) | $91,540▲ | $79,845 |
| 25th Percentile | $101,412▲ | $87,791 |
| 75th Percentile | $153,028▲ | $133,364 |
| Top Earner (P90) | $189,073▲ | $160,041 |
| Total Employed | 17 | 200▲ |
Verdict
Old Bridge, NJ offers better overall compensation for mechanical engineers, winning 3 out of 4 metrics compared to Trenton.
The salary gap between Old Bridge and Trenton is $17,550 (16.81%). Old Bridge's median is +13.84% compared to the US national median of $107,150.
Salary Range Comparison
The full salary range (10th to 90th percentile) in Old Bridge spans $97,533,Trenton spans $80,196. Old Bridge has a wider pay range, meaning more potential for high earners but also more variation.
Cost-of-Living Adjusted Comparison
After cost-of-living adjustment, Old Bridge ($105,888 effective) pays 4.62% more than Trenton ($101,214 effective).
Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.
Which City Is Right for You?
Choose Old Bridge if…
- ✓Higher median salary ($121,983/year)
- ✓Better top-earner potential ($189,073)
- ✓Better purchasing power (CoL-adjusted: $105,888)
- ✓You prefer the New Jersey area and lifestyle
Choose Trenton if…
- ✓Larger job market (200 employed)
- ✓You prefer the New Jersey area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, mechanical engineer salaries in Old Bridge grew -9.5% from 2024 to 2025, compared to 4.8% growth in Trenton over the same period.
Old Bridge, NJ
$130,919 (2024) → $118,522 (2025)
Trenton, NJ
$96,820 (2019) → $101,470 (2025)
View Full Salary Data
Old Bridge, NJ
Trenton, NJ
Frequently Asked Questions
Which city pays mechanical engineers more: Old Bridge or Trenton?
What is the hourly rate difference between Old Bridge and Trenton?
Should I relocate from Old Bridge to Trenton as a mechanical engineer?
What do entry-level mechanical engineers earn in Old Bridge vs Trenton?
Written by Amina Patel, PE
Career Analyst
Amina has 10 years of experience in mechanical engineering. She specializes in thermal analysis and works in the automotive industry.
Methodology & Data Source
All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 2.92% CAGR (derived from 6-year national BLS trends) was applied to estimate current compensation. Cost-of-living adjustments use BEA Regional Price Parity data. Actual salaries vary by employer, certifications, and experience.
Data Sources & Methodology
Source: BLS, OEWS , released .
Compiled and verified by Amina Patel, PE, a licensed mechanical engineer with 10+ years of clinical experience. · View source data at BLS.gov