As of February 01, 2026, the average annual salary for plastics engineering in Mount Prospect, IL is $99,292, equivalent to $48 per hour, $1,909 weekly, or $8,274 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for plastics engineering in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for plastics engineering in Mount Prospect, IL vary widely, spanning from $85,955 to $115,902. Most professionals fall between the 25th percentile ($92,311) and 75th percentile ($107,986), while top earners (90th percentile) make $115,902 per year. This $15,675 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, Mount Prospect plastics engineering often earn 1.0% higher than national averages. However, Mount Prospect currently ranks 281 statewide for plastics engineering job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
