As of April 01, 2026, the average annual salary for Plastic Engineer in South Dakota is $82,388, equivalent to $40 per hour, $1,584 weekly, or $6,866 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Plastic Engineer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Plastic Engineer in South Dakota vary widely, spanning from $71,578 to $96,191. Most professionals fall between the 25th percentile ($76,730) and 75th percentile ($89,613), while top earners (90th percentile) make $96,191 per year. This $12,883 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, South Dakota Plastic Engineer often earn 9.1% lower than national averages due to demand from Fortune 57 companies. However, South Dakota currently ranks 48 nationwide for Plastic Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.