The median annual wage for First-Line Supervisors of Police and Detectives in Illinois is $136,440 (May 2024 BLS OES). The mean (average) is $123,850.
Pay spans roughly $78,080 at the 10th percentile to $164,270 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $65.60 per hour. An estimated 5,550 people work as first-line supervisors of police and detectives in Illinois.
| Median (annual) | $136,440 |
| Mean (annual) | $123,850 |
| Median (hourly) | $65.60 |
| 10th percentile | $78,080 |
| 90th percentile | $164,270 |
| Employment | 5,550 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.