As of July 01, 2026, the average annual salary for Lead Radiation Therapist in Illinois is $571,513, equivalent to $275 per hour, $10,991 weekly, or $47,626 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Lead Radiation Therapist in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Lead Radiation Therapist in Illinois vary widely, spanning from $505,889 to $683,531. Most professionals fall between the 25th percentile ($537,163) and 75th percentile ($630,147), while top earners (90th percentile) make $683,531 per year. This $92,984 pay gap underscores opportunities for salary growth through certifications, specialized skills like Leadership or Acute Care, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Lead Radiation Therapist often earn 1.9% higher than national averages due to demand from Fortune 35 companies. However, Illinois currently ranks 14 nationwide for Lead Radiation Therapist job salary. Professionals are advised to focus on high-growth sectors like Edu., Gov't. & Nonprofit to offset market challenges.
