The median annual wage for Biological Technicians in Illinois is $49,710 (May 2024 BLS OES). The mean (average) is $55,260.
Pay spans roughly $35,730 at the 10th percentile to $81,420 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $23.90 per hour. An estimated 1,450 people work as biological technicians in Illinois.
| Median (annual) | $49,710 |
| Mean (annual) | $55,260 |
| Median (hourly) | $23.90 |
| 10th percentile | $35,730 |
| 90th percentile | $81,420 |
| Employment | 1,450 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.