As of October 01, 2026, the average annual salary for Computer & Information Research Scientist in Illinois is $122,512, equivalent to $59 per hour, $2,356 weekly, or $10,209 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Computer & Information Research Scientist in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Computer & Information Research Scientist in Illinois vary widely, spanning from $98,688 to $146,910. Most professionals fall between the 25th percentile ($110,042) and 75th percentile ($135,283), while top earners (90th percentile) make $146,910 per year. This $25,241 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or IT Support, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Computer & Information Research Scientist often earn 1.9% higher than national averages due to demand from Fortune 34 companies. However, Illinois currently ranks 14 nationwide for Computer & Information Research Scientist job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.