The median annual wage for Data Scientists in Illinois is $113,490 (May 2024 BLS OES). The mean (average) is $119,010.
Pay spans roughly $65,420 at the 10th percentile to $172,220 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $54.56 per hour. An estimated 7,390 people work as data scientists in Illinois.
| Median (annual) | $113,490 |
| Mean (annual) | $119,010 |
| Median (hourly) | $54.56 |
| 10th percentile | $65,420 |
| 90th percentile | $172,220 |
| Employment | 7,390 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.