As of January 01, 2026, the average annual salary for Behavioral Assistant in Illinois is $35,824, equivalent to $17 per hour, $689 weekly, or $2,985 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Behavioral Assistant in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Behavioral Assistant in Illinois vary widely, spanning from $31,015 to $40,646. Most professionals fall between the 25th percentile ($33,307) and 75th percentile ($38,348), while top earners (90th percentile) make $40,646 per year. This $5,041 pay gap underscores opportunities for salary growth through certifications, specialized skills like Commitment or Medication Administration, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Behavioral Assistant often earn 1.9% higher than national averages due to demand from Fortune 40 companies. However, Illinois currently ranks 14 nationwide for Behavioral Assistant job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
