How much does an Environmental Engineer make in Gilson, IL? (2025)
As of August 01, 2025, Environmental Engineers in Gilson, IL earn an average annual salary of $97,106 with an hourly rate of $47. Salary ranges from $82,802 (10th percentile) to $117,534 (90th percentile), with the majority earning between $89,618 (25th percentile) and $107,799 (75th percentile). Compensation varies based on experience, skills, company size, and local market factors - all explored below.