As of January 01, 2026, the average annual salary for Legal Researcher in Illinois is $335,653, equivalent to $161 per hour, $6,455 weekly, or $27,971 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Legal Researcher in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Legal Researcher in Illinois vary widely, spanning from $278,369 to $378,076. Most professionals fall between the 25th percentile ($305,668) and 75th percentile ($357,859), while top earners (90th percentile) make $378,076 per year. This $52,191 pay gap underscores opportunities for salary growth through certifications, specialized skills like Leadership or Procurement, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Legal Researcher often earn 1.9% higher than national averages due to demand from Fortune 59 companies. However, Illinois currently ranks 14 nationwide for Legal Researcher job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
