Mechanical Engineer Salary

Florissant vs St. Louis: Mechanical Engineer Salary (2026)

Compare mechanical engineer salaries between Florissant, MO and St. Louis, MO. All figures are 2026 estimates projected from BLS 2025 data.

Florissant, MO
$91,193
$43.84/hr
St. Louis, MO
$103,270
$49.65/hr

Side-by-Side Comparison

MetricFlorissant, MOSt. Louis, MO
Median Salary$91,193$103,270
Hourly Rate$43.84$49.65
Entry Level (P10)$62,119$67,824
25th Percentile$70,991$82,068
75th Percentile$114,998$123,525
Top Earner (P90)$141,349$153,413
Total Employed112,190
Side-by-side bar chart comparing Florissant ($91,193) and St. Louis ($103,270) mechanical engineer salaries.FlorissantSt. LouisMedian Salary$91,193$103,270Entry Level (P10)$62,119$67,824Top Earner (P90)$141,349$153,413US Median $107,150

Verdict

St. Louis, MO offers better overall compensation for mechanical engineers, winning 4 out of 4 metrics compared to Florissant.

The salary gap between Florissant and St. Louis is $12,077 (13.24%). 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 Florissant spans $79,230,St. Louis spans $85,589. St. Louis has a wider pay range, suggesting more variation in pay between entry-level and experienced mechanical engineers.

Florissant
P10 (Entry)$62,119
P25$70,991
Median$91,193
P75$114,998
P90 (Top)$141,349
St. Louis
P10 (Entry)$67,824
P25$82,068
Median$103,270
P75$123,525
P90 (Top)$153,413

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, St. Louis ($108,605 effective) pays 6.71% more than Florissant ($101,778 effective).

Florissant
Nominal: $91,193
CoL Index: 89.6
Adjusted: $101,778
St. Louis
Nominal: $103,270
CoL Index: 95.088
Adjusted: $108,605

Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.

Which City Is Right for You?

Choose Florissant if…

  • You prefer the Missouri area and lifestyle

Choose St. Louis if…

  • Higher median salary ($103,270/year)
  • Better top-earner potential ($153,413)
  • Larger job market (2,190 employed)
  • Better purchasing power (CoL-adjusted: $108,605)
  • You prefer the Missouri area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, mechanical engineer salaries in Florissant grew 8.1% from 2024 to 2025, compared to 15.6% growth in St. Louis over the same period.

Florissant, MO

+8.1%

$81,957 (2024) → $88,606 (2025)

St. Louis, MO

+15.6%

$86,830 (2019) → $100,340 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays mechanical engineers more: Florissant or St. Louis?

St. Louis has a higher median mechanical engineer salary at $103,270/year, compared to Florissant at $91,193/year — a difference of $12,077 (13.24%).

What is the hourly rate difference between Florissant and St. Louis?

Florissant mechanical engineers earn $43.84/hr while St. Louis hygienists earn $49.65/hr (2026 est.).

Should I relocate from Florissant to St. Louis as a mechanical engineer?

Consider more than just salary when comparing Florissant and St. Louis. Factor in cost of living (CoL-adjusted: Florissant = $101,778, St. Louis = $108,605), job availability (11 vs 2,190 employed), commute, and career growth potential.

What do entry-level mechanical engineers earn in Florissant vs St. Louis?

Entry-level (10th percentile) mechanical engineers earn $62,119 in Florissant and $67,824 in St. Louis. The St. Louis area offers higher starting salaries.

Related Comparisons

AP

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.

Clinically reviewed by Jamal Robinson, PhDData verified by Lina Zhang, MS

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