Welder Salary in Illinois 2026,
$51,320 Median | BLS Data by City

Illinois welders earn a median $51,320 a year, $24.67 an hour, per BLS OEWS May 2025, with the middle half between $46,500 and $61,520 and a full range of $38,890 to $76,730. That is 4.5% below the $53,750 national median, taxed at Illinois's flat 4.95%.

Peoria at $58,960, then Decatur at $57,670, Chicago-Naperville-Elgin at $52,650, Rockford at $50,200 and Springfield at $49,860. Peoria and Decatur leading Chicago by six thousand dollars is a manufacturing story: heavy equipment production and agricultural processing plants in central Illinois need code-qualified welders that their local labour markets cannot readily supply.

No. Illinois issues no welding licence, registration or state examination. Qualification is by procedure: employers test welders to the specific code the job runs under — AWS D1.1 for structural, API 1104 for pipeline, the ASME Boiler and Pressure Vessel Code for pressure work — and issue a welder performance qualification record. One municipal exception matters: the City of Chicago requires its own certification for structural welding on work within the city.

A flat 4.95% on all wage income, with a $2,925 personal exemption allowance in 2026 and no local income tax anywhere in Illinois. At a $51,320 median that flat rate is less favourable than a graduated schedule would be — but shutdown and turnaround overtime, which is where much of this trade's real income comes from, is taxed at the same 4.95% rather than at an escalating rate.

Plant shutdown and turnaround work, and specialty alloy qualification. Refinery, chemical plant and agricultural processing shutdowns run intensive schedules at premium rates with overtime, and industrial maintenance welders on call-out carry their own premiums. Above that, stainless and exotic alloy qualifications are the scarcest skills in the state. Together these are what the $61,520 seventy-fifth percentile and the $76,730 ninetieth represent.

Because their welding work is more demanding and their labour markets are thinner. Peoria at $58,960 is a heavy equipment manufacturing centre requiring code-qualified structural and pressure welding to tight tolerances; Decatur at $57,670 hosts large agricultural processing plants with continuous maintenance requirements and shutdown cycles. Chicago-Naperville-Elgin at $52,650 has a broader mix that includes a great deal of light fabrication and sheet metal work, which pays less. Concentration of skill demand, not cost of living, sets these figures.

The annualised median assumes steady work, and industrial welding in Illinois is cycle-sensitive: manufacturing employment downstate rises and falls with equipment and agricultural markets, and shutdown work is seasonal and concentrated. Actual annual earnings vary more than the $38,890 to $76,730 band implies. The tenth percentile also reflects production and entry welding rather than code-qualified work — read the $46,500 twenty-fifth percentile as the structural qualified floor.

Passing the right test. The lower figure is production and structural work on a fixed shop schedule. The higher is code pipe welding — TIG root, stick fill, qualified to ASME or API — performed on plant maintenance and shutdown schedules that demand nights, long weeks and travel between sites. That is a weld test rather than years of service, which is why welders in Illinois can move up the band quickly by qualifying rather than waiting, and why the trade rewards deliberate certification more than tenure.