The median annual wage for Library Assistants, Clerical in Illinois is $32,360 (May 2024 BLS OES). The mean (average) is $35,380.
Pay spans roughly $29,120 at the 10th percentile to $45,630 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $15.56 per hour. An estimated 4,330 people work as library assistants, clerical in Illinois.
| Median (annual) | $32,360 |
| Mean (annual) | $35,380 |
| Median (hourly) | $15.56 |
| 10th percentile | $29,120 |
| 90th percentile | $45,630 |
| Employment | 4,330 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.