How much does a Detective Sergeant make in Illinois?
As of August 01, 2026, the average salary for a Detective Sergeant in Illinois is $83,664 per year, which breaks down to an hourly rate of $40.
However, a Detective Sergeant's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $104,890
- Majority Range (25th-75th percentile): $71,141 to $94,775
- Entry-Level (10th percentile): $59,739