How much does a Prototype Engineer make in Illinois?
As of May 01, 2026, the average salary for a Prototype Engineer in Illinois is $87,407 per year, which breaks down to an hourly rate of $42.
However, a Prototype Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $100,894
- Majority Range (25th-75th percentile): $78,638 to $94,467
- Entry-Level (10th percentile): $70,653