Kennewick vs Seattle: Mechanical Engineer Salary (2026)
Compare mechanical engineer salaries between Kennewick, WA and Seattle, WA. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | Kennewick, WA | Seattle, WA |
|---|---|---|
| Median Salary | $128,424 | $130,286▲ |
| Hourly Rate | $61.74 | $62.64▲ |
| Entry Level (P10) | $84,333▲ | $84,117 |
| 25th Percentile | $102,796▲ | $101,829 |
| 75th Percentile | $166,442▲ | $159,824 |
| Top Earner (P90) | $180,851▲ | $177,527 |
| Total Employed | 570 | 4,500▲ |
Verdict
Seattle, WA offers better overall compensation for mechanical engineers, winning 3 out of 4 metrics compared to Kennewick.
The salary gap between Kennewick and Seattle is $1,862 (1.45%). Seattle's median is +21.59% compared to the US national median of $107,150.
Salary Range Comparison
The full salary range (10th to 90th percentile) in Kennewick spans $96,518,Seattle spans $93,410. Kennewick 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, Kennewick ($128,323 effective) pays 9.46% more than Seattle ($117,234 effective).
Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.
Which City Is Right for You?
Choose Kennewick if…
- ✓Better top-earner potential ($180,851)
- ✓Better purchasing power (CoL-adjusted: $128,323)
- ✓You prefer the Washington area and lifestyle
Choose Seattle if…
- ✓Higher median salary ($130,286/year)
- ✓Larger job market (4,500 employed)
- ✓You prefer the Washington area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, mechanical engineer salaries in Kennewick grew 18.7% from 2019 to 2025, compared to 29.9% growth in Seattle over the same period.
Kennewick, WA
$105,160 (2019) → $124,780 (2025)
Seattle, WA
$97,420 (2019) → $126,590 (2025)
View Full Salary Data
Kennewick, WA
Seattle, WA
Frequently Asked Questions
Which city pays mechanical engineers more: Kennewick or Seattle?
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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