As of January 01, 2026, the average annual salary for Assistant Driller in Illinois is $72,375, equivalent to $35 per hour, $1,392 weekly, or $6,031 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Assistant Driller in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Assistant Driller in Illinois vary widely, spanning from $52,149 to $82,461. Most professionals fall between the 25th percentile ($61,788) and 75th percentile ($77,655), while top earners (90th percentile) make $82,461 per year. This $15,867 pay gap underscores opportunities for salary growth through certifications, specialized skills like Planning or Preventative Maintenance, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Assistant Driller often earn 1.9% higher than national averages due to demand from Fortune 45 companies. However, Illinois currently ranks 14 nationwide for Assistant Driller job salary. Professionals are advised to focus on high-growth sectors like Energy & Utilities to offset market challenges.
