Kansas City vs St. Louis: Mechanical Engineer Salary (2026)
Compare mechanical engineer salaries between Kansas City, MO and St. Louis, MO. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | Kansas City, MO | St. Louis, MO |
|---|---|---|
| Median Salary | $102,539 | $103,270▲ |
| Hourly Rate | $49.30 | $49.65▲ |
| Entry Level (P10) | $80,350▲ | $67,824 |
| 25th Percentile | $85,753▲ | $82,068 |
| 75th Percentile | $124,523▲ | $123,525 |
| Top Earner (P90) | $140,640 | $153,413▲ |
| Total Employed | 4,330▲ | 2,190 |
Verdict
St. Louis, MO offers better overall compensation for mechanical engineers, winning 3 out of 4 metrics compared to Kansas City.
The salary gap between Kansas City and St. Louis is $731 (0.71%). St. Louis's median is -3.62% compared to the US national median of $107,150.
Salary Range Comparison
The full salary range (10th to 90th percentile) in Kansas City spans $60,290,St. Louis spans $85,589. St. Louis has a wider pay range, suggesting more variation in pay between entry-level and experienced mechanical engineers.
Cost-of-Living Adjusted Comparison
After cost-of-living adjustment, Kansas City ($110,801 effective) pays 2.02% more than St. Louis ($108,605 effective).
Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.
Which City Is Right for You?
Choose Kansas City if…
- ✓Larger job market (4,330 employed)
- ✓Better purchasing power (CoL-adjusted: $110,801)
- ✓You prefer the Missouri area and lifestyle
Choose St. Louis if…
- ✓Higher median salary ($103,270/year)
- ✓Better top-earner potential ($153,413)
- ✓You prefer the Missouri area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, mechanical engineer salaries in Kansas City grew 27.4% from 2019 to 2025, compared to 15.6% growth in St. Louis over the same period.
Kansas City, MO
$78,200 (2019) → $99,630 (2025)
St. Louis, MO
$86,830 (2019) → $100,340 (2025)
View Full Salary Data
Kansas City, MO
St. Louis, MO
Frequently Asked Questions
Which city pays mechanical engineers more: Kansas City or St. Louis?
What is the hourly rate difference between Kansas City and St. Louis?
Should I relocate from Kansas City to St. Louis as a mechanical engineer?
What do entry-level mechanical engineers earn in Kansas City vs St. Louis?
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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