As of September 01, 2026, the average annual salary for Petroleum Chemist in Missouri is $70,912, equivalent to $34 per hour, $1,364 weekly, or $5,909 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Petroleum Chemist in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Petroleum Chemist in Missouri vary widely, spanning from $55,882 to $83,124. Most professionals fall between the 25th percentile ($63,044) and 75th percentile ($77,304), while top earners (90th percentile) make $83,124 per year. This $14,260 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Analytical Chemistry, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Missouri Petroleum Chemist often earn 5.0% lower than national averages due to demand from Fortune 57 companies. However, Missouri currently ranks 37 nationwide for Petroleum Chemist job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.