How much does a Thermal Engineer make in Illinois?
As of April 01, 2026, the average salary for a Thermal Engineer in Illinois is $87,310 per year, which breaks down to an hourly rate of $42.
However, a Thermal Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $111,770
- Majority Range (25th-75th percentile): $78,740 to $100,113
- Entry-Level (10th percentile): $70,938