How much does an Associate Principal Scientist make in Illinois?
As of January 01, 2026, the average salary for an Associate Principal Scientist in Illinois is $101,163 per year, which breaks down to an hourly rate of $49.
However, an Associate Principal Scientist's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $124,881
- Majority Range (25th-75th percentile): $88,083 to $113,578
- Entry-Level (10th percentile): $76,175