As of June 01, 2026, the average annual salary for Plant Engineer in Mount Prospect, IL is $92,473, equivalent to $44 per hour, $1,778 weekly, or $7,706 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Plant Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Plant Engineer in Mount Prospect, IL vary widely, spanning from $78,000 to $105,902. Most professionals fall between the 25th percentile ($84,897) and 75th percentile ($99,502), while top earners (90th percentile) make $105,902 per year. This $14,605 pay gap underscores opportunities for salary growth through certifications, specialized skills like Standard Operating Procedures or Continuous Improvement, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Mount Prospect Plant Engineer often earn 0.0% higher than national averages. However, Mount Prospect currently ranks 280 statewide for Plant Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
