How much does a CAO make in Illinois?
As of July 01, 2026, the average salary for a CAO in Illinois is $441,700 per year, which breaks down to an hourly rate of $212.
However, a CAO's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $502,070
- Majority Range (25th-75th percentile): $396,500 to $473,300
- Entry-Level (10th percentile): $355,348