How much does a First Line Supervisor make in Illinois?
As of February 01, 2026, the average salary for a First Line Supervisor in Illinois is $107,942 per year, which breaks down to an hourly rate of $52.
However, a First Line Supervisor's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $124,689
- Majority Range (25th-75th percentile): $95,874 to $116,708
- Entry-Level (10th percentile): $84,887