The median annual wage for Environmental Science Teachers, Postsecondary in Illinois is $100,220 (May 2024 BLS OES). The mean (average) is $99,660.
Pay spans roughly $55,860 at the 10th percentile to $141,320 at the 90th, so experience and specialisation move this figure a lot. An estimated 160 people work as environmental science teachers, postsecondary in Illinois.
| Median (annual) | $100,220 |
| Mean (annual) | $99,660 |
| Median (hourly) | — |
| 10th percentile | $55,860 |
| 90th percentile | $141,320 |
| Employment | 160 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.