As of May 01, 2026, the average annual salary for Oncologist Assistant in Illinois is $88,165, equivalent to $42 per hour, $1,695 weekly, or $7,347 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Oncologist Assistant in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Oncologist Assistant in Illinois vary widely, spanning from $73,612 to $107,577. Most professionals fall between the 25th percentile ($80,547) and 75th percentile ($98,326), while top earners (90th percentile) make $107,577 per year. This $17,779 pay gap underscores opportunities for salary growth through certifications, specialized skills like Accountability or Acute Care, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Oncologist Assistant often earn 1.9% higher than national averages due to demand from Fortune 39 companies. However, Illinois currently ranks 14 nationwide for Oncologist Assistant job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
