As of November 01, 2026, the average annual salary for Chemical Process Engineer in Joliet, IL is $94,037, equivalent to $45 per hour, $1,808 weekly, or $7,836 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Chemical Process Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Chemical Process Engineer in Joliet, IL vary widely, spanning from $82,114 to $109,757. Most professionals fall between the 25th percentile ($87,796) and 75th percentile ($102,265), while top earners (90th percentile) make $109,757 per year. This $14,469 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Design Engineering, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Joliet Chemical Process Engineer often earn 2.8% lower than national averages. However, Joliet currently ranks 381 statewide for Chemical Process Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.