As of February 01, 2026, the average annual salary for plastics engineering in Washington is $104,547, equivalent to $50 per hour, $2,011 weekly, or $8,712 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 Washington vary widely, spanning from $90,504 to $122,035. Most professionals fall between the 25th percentile ($97,196) and 75th percentile ($113,701), while top earners (90th percentile) make $122,035 per year. This $16,505 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, Washington plastics engineering often earn 8.4% higher than national averages due to demand from Fortune 58 companies. However, Washington currently ranks 4 nationwide for plastics engineering job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
