As of September 01, 2026, the average annual salary for Entry Level Environmental Scientist in Illinois is $121,720, equivalent to $59 per hour, $2,341 weekly, or $10,143 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Entry Level Environmental Scientist in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Entry Level Environmental Scientist in Illinois vary widely, spanning from $110,075 to $151,224. Most professionals fall between the 25th percentile ($115,625) and 75th percentile ($137,164), while top earners (90th percentile) make $151,224 per year. This $21,539 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Data Analysis, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Entry Level Environmental Scientist often earn 1.9% higher than national averages due to demand from Fortune 51 companies. However, Illinois currently ranks 14 nationwide for Entry Level Environmental Scientist job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
