As of February 01, 2026, the average annual salary for Senior Associate Data Scientist in Illinois is $97,521, equivalent to $47 per hour, $1,875 weekly, or $8,127 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Senior Associate Data Scientist in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Senior Associate Data Scientist in Illinois vary widely, spanning from $81,274 to $112,234. Most professionals fall between the 25th percentile ($89,016) and 75th percentile ($105,222), while top earners (90th percentile) make $112,234 per year. This $16,206 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Computer Science, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Senior Associate Data Scientist often earn 1.9% higher than national averages due to demand from Fortune 67 companies. However, Illinois currently ranks 14 nationwide for Senior Associate Data Scientist job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
