Welder.
St. Louis.
$47,000
median salary, 10% below the national average
$36,000 to $61,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
Welder pay in St. Louis ranges from $36,000 to $61,000 in 2026. The median is $47,000, 10% below the national average. St. Every dollar in that range is negotiable if you come prepared.
Salary range
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How St. Louis compares
St. Louis, MO
$47,000
Cost of living: 10% below average
National Average
$52,000
St. Louis is $5,000 below
What you should know
If you are interviewing for Welder roles in St. Louis, here is what you are walking into. 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. Certification type drives the largest pay differences. TIG and pipe welders earn 20 to 35% more than MIG welders doing structural or production work. Welders certified for exotic alloys like titanium, Inconel, or stainless steel in aerospace or nuclear applications earn peak rates. Travel welding and shutdown work offer premium per diem packages.
Welding apprentices start at $30,000 to $36,000, advancing to journeyman welder at $40,000 to $55,000 in three to four years. Certified pipe welders earn $60,000 to $80,000, while welding inspectors (CWI) and supervisors reach $75,000 to $100,000 in industrial settings. 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. Per diem payments for travel welders add $75 to $150 daily, potentially adding $18,000 to $35,000 annually. Union welders receive pension and health benefits worth $10,000 to $18,000. Tool and safety equipment allowances of $500 to $1,500 are standard. 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 $47,000, 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 Welders in St. Louis runs from $36,000 to $61,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Top industries in St. Louis
Negotiating in St. Louis
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.