How much does a System Developer make in Illinois?
As of April 01, 2026, the average salary for a System Developer in Illinois is $117,860 per year, which breaks down to an hourly rate of $57.
However, a System Developer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $129,810
- Majority Range (25th-75th percentile): $107,143 to $124,115
- Entry-Level (10th percentile): $97,386