As of September 01, 2026, the average annual salary for Lab Research Assistant in Illinois is $59,884, equivalent to $29 per hour, $1,152 weekly, or $4,990 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Lab Research Assistant in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Lab Research Assistant in Illinois vary widely, spanning from $47,239 to $70,775. Most professionals fall between the 25th percentile ($53,265) and 75th percentile ($65,585), while top earners (90th percentile) make $70,775 per year. This $12,320 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Laboratory Equipment, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Lab Research Assistant often earn 1.9% higher than national averages due to demand from Fortune 47 companies. However, Illinois currently ranks 14 nationwide for Lab Research Assistant job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
