As of January 01, 2026, the average annual salary for IT Customer Support in Illinois is $73,905, equivalent to $36 per hour, $1,421 weekly, or $6,159 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for IT Customer Support in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for IT Customer Support in Illinois vary widely, spanning from $63,362 to $97,791. Most professionals fall between the 25th percentile ($68,386) and 75th percentile ($86,408), while top earners (90th percentile) make $97,791 per year. This $18,022 pay gap underscores opportunities for salary growth through certifications, specialized skills like Troubleshooting or Microsoft Office, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois IT Customer Support often earn 1.9% higher than national averages due to demand from Fortune 42 companies. However, Illinois currently ranks 14 nationwide for IT Customer Support job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.