The median annual wage for Proofreaders and Copy Markers in Illinois is $44,600 (May 2024 BLS OES). The mean (average) is $48,520.
Pay spans roughly $33,530 at the 10th percentile to $79,310 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $21.44 per hour. An estimated 220 people work as proofreaders and copy markers in Illinois.
| Median (annual) | $44,600 |
| Mean (annual) | $48,520 |
| Median (hourly) | $21.44 |
| 10th percentile | $33,530 |
| 90th percentile | $79,310 |
| Employment | 220 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.