The median annual wage for Correctional Officers and Jailers in Illinois is $78,750 (May 2024 BLS OES). The mean (average) is $79,360.
Pay spans roughly $52,790 at the 10th percentile to $105,590 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $37.86 per hour. An estimated 12,210 people work as correctional officers and jailers in Illinois.
| Median (annual) | $78,750 |
| Mean (annual) | $79,360 |
| Median (hourly) | $37.86 |
| 10th percentile | $52,790 |
| 90th percentile | $105,590 |
| Employment | 12,210 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.