How much does a Senior Data Developer make in Illinois?
As of August 01, 2026, the average salary for a Senior Data Developer in Illinois is $130,179 per year, which breaks down to an hourly rate of $63.
However, a Senior Data Developer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $153,500
- Majority Range (25th-75th percentile): $120,379 to $142,386
- Entry-Level (10th percentile): $111,457