Aerospace Engineer.
St. Louis.
$105,000
median salary, 9% below the national average
$80,000 to $138,000. Last updated April 2026.
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Data points to own the conversation.
Here is what Aerospace Engineers actually make in St. Louis: $80,000 at the 25th percentile, $105,000 at the median, and $138,000 at the 75th. That is 9% below the national average. St. The number on your offer letter will depend on what you bring and how you ask.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $95,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$68,000
to $84,000
Mid (3-5 yrs)
$89,000
to $110,000
Senior (6-9 yrs)
$116,000
to $137,000
Lead (10+ yrs)
$131,000
to $163,000
Salary trend
+5% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $26,000 to the total package.
Base
$105,000
Equity
$15,000
Bonus
$9,000
Signing
$2,000
Estimated total: $131,000
How St. Louis compares
St. Louis, MO
$105,000
Cost of living: 10% below average
National Average
$115,000
St. Louis is $10,000 below
Aerospace Engineer salary by city
Salary by role in St. Louis
What you should know
Before you negotiate a Aerospace Engineer offer in St. Louis, understand the terrain. St. Louis offers one of the most affordable major metro areas in the country, with a strong base in healthcare, financial services, and manufacturing. The region's anchor employers include Boeing, Centene, and Washington University's medical campus. A growing biotech and plant sciences corridor centered on the Cortex Innovation District is attracting new investment and talent. Security clearance level and employer type drive the widest variance. Defense contractors pay 10 to 20% premiums for TS/SCI clearances. Specialization in propulsion, avionics, or spacecraft systems commands higher compensation than structural analysis. The growing commercial space sector is pushing salaries upward across all levels.
Junior aerospace engineers start at $88,000 to $100,000. Senior engineers reach $115,000 to $152,000 after six to eight years. Principal engineers and engineering directors earn $155,000 to $210,000, with chief engineers at major programs exceeding $230,000. In St. Louis, cost of living sits near the national average, so the numbers you see are roughly what you keep.
Base salary is not the full picture. Defense contractors offer 8 to 15% annual bonuses and retention bonuses of $10,000 to $30,000 for cleared engineers. Commercial space companies like SpaceX and Blue Origin add equity packages. Many roles include relocation assistance and clearance processing support. And on the tax side: missouri's top income tax rate is about 4.8%, and St. Louis City adds a 1% earnings tax. The low base cost of living means your after tax salary still stretches further than in most metros. When someone quotes you $105,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Emphasize your willingness to work in person at Cortex or the BJC campus. St. Louis employers offer higher packages for candidates who commit to the local innovation hubs. The range for Aerospace Engineers in St. Louis runs from $80,000 to $138,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Sources: SEC filings, H-1B LCA (DOL), BLS OES, 50+ job posting platforms. COL: BEA Regional Price Parities (2025). Data verified by Justin Bartak, Founder & Chief AI Officer. Last verified April 8, 2026. Full methodology
Considering a related role?
- A AI Trainer / RLHF Specialist in St. Louis earns $104,000 (1% less)
- The highest-paying role in St. Louis is Chief AI Officer at $276,000
Common questions.
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