The median annual wage for Environmental Scientists and Specialists, Including Health in Illinois is $89,010 (May 2024 BLS OES). The mean (average) is $97,670.
Pay spans roughly $52,790 at the 10th percentile to $164,990 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $42.79 per hour. An estimated 1,330 people work as environmental scientists and specialists, including health in Illinois.
| Median (annual) | $89,010 |
| Mean (annual) | $97,670 |
| Median (hourly) | $42.79 |
| 10th percentile | $52,790 |
| 90th percentile | $164,990 |
| Employment | 1,330 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.