As of September 01, 2026, the average annual salary for Site Supervisor in Illinois is $84,379, equivalent to $41 per hour, $1,623 weekly, or $7,032 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Site Supervisor in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Site Supervisor in Illinois vary widely, spanning from $66,419 to $106,598. Most professionals fall between the 25th percentile ($74,978) and 75th percentile ($96,009), while top earners (90th percentile) make $106,598 per year. This $21,031 pay gap underscores opportunities for salary growth through certifications, specialized skills like Leadership or Repairing, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Site Supervisor often earn 1.9% higher than national averages due to demand from Fortune 67 companies. However, Illinois currently ranks 14 nationwide for Site Supervisor job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
