As of August 01, 2026, the average annual salary for Construction Administrative Assistant in Illinois is $41,285, equivalent to $20 per hour, $794 weekly, or $3,440 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Construction Administrative Assistant in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Construction Administrative Assistant in Illinois vary widely, spanning from $33,705 to $48,784. Most professionals fall between the 25th percentile ($37,317) and 75th percentile ($45,210), while top earners (90th percentile) make $48,784 per year. This $7,893 pay gap underscores opportunities for salary growth through certifications, specialized skills like Customer Service or PowerPoint, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Construction Administrative Assistant often earn 1.9% higher than national averages due to demand from Fortune 83 companies. However, Illinois currently ranks 14 nationwide for Construction Administrative Assistant job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
