As of September 01, 2026, the average annual salary for Assistant Data Analyst in Joliet, IL is $46,731, equivalent to $22 per hour, $899 weekly, or $3,894 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Assistant Data Analyst in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Assistant Data Analyst in Joliet, IL vary widely, spanning from $38,152 to $55,220. Most professionals fall between the 25th percentile ($42,240) and 75th percentile ($51,174), while top earners (90th percentile) make $55,220 per year. This $8,934 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, Joliet Assistant Data Analyst often earn 2.8% lower than national averages. However, Joliet currently ranks 381 statewide for Assistant Data Analyst job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.