As of August 01, 2026, the average annual salary for Senior Environmental Scientist in Delaware is $110,636, equivalent to $53 per hour, $2,128 weekly, or $9,220 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Senior Environmental Scientist in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Senior Environmental Scientist in Delaware vary widely, spanning from $94,808 to $133,593. Most professionals fall between the 25th percentile ($102,351) and 75th percentile ($122,653), while top earners (90th percentile) make $133,593 per year. This $20,302 pay gap underscores opportunities for salary growth through certifications, specialized skills like Consulting or AutoCAD, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Delaware Senior Environmental Scientist often earn 1.3% higher than national averages due to demand from Fortune 55 companies. However, Delaware currently ranks 16 nationwide for Senior Environmental Scientist job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
