How much does a Computer Systems Analyst make in East Saint Louis, IL? (2025)
As of August 01, 2025, Computer Systems Analysts in East Saint Louis, IL earn an average annual salary of $108,294 with an hourly rate of $52. Salary ranges from $91,232 (10th percentile) to $124,875 (90th percentile), with the majority earning between $99,363 (25th percentile) and $116,973 (75th percentile). Compensation varies based on experience, skills, company size, and local market factors - all explored below.