How much does a Systems Developer make in Illinois?
As of April 01, 2026, the average salary for a Systems Developer in Illinois is $120,272 per year, which breaks down to an hourly rate of $58.
However, a Systems Developer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $132,449
- Majority Range (25th-75th percentile): $107,781 to $126,646
- Entry-Level (10th percentile): $96,408