The median annual wage for Biological Scientists, All Other in Illinois is $78,600 (May 2024 BLS OES). The mean (average) is $84,120.
Pay spans roughly $51,070 at the 10th percentile to $123,970 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $37.79 per hour. An estimated 1,090 people work as biological scientists, all other in Illinois.
| Median (annual) | $78,600 |
| Mean (annual) | $84,120 |
| Median (hourly) | $37.79 |
| 10th percentile | $51,070 |
| 90th percentile | $123,970 |
| Employment | 1,090 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.