Environmental Scientist Salary in Washington
The median environmental scientist salary in Washington is $88,010 per year, which is 15.0% above the national median of $76,530.
Environmental Scientist Salary Overview in Washington (2026)
Washington ranks #7 out of 50 states for environmental scientist compensation. This places Washington in the top tier nationally, making it one of the best states for environmental scientists seeking high pay. At $88,010 per year, environmental scientists in Washington earn $11,480 more than the national median of $76,530.
It's worth noting that Washington's cost of living is 115% of the national average, which reduces the real purchasing power of the $88,010 salary. After adjusting for cost of living, the effective salary is closer to $76,530.
The salary spread in Washington is significant: environmental scientists at the 10th percentile earn $55,200, while those at the 90th percentile bring home $144,900 — a $89,700 gap that reflects differences in experience, specialization, employer type, and metro area. The highest-paying city in Washington for this role is Bellevue, where the median reaches $116,326.
Nationally, environmental scientist employment is projected to grow 6% over the next decade (faster than average). This steady growth indicates stable demand for environmental scientists across the country.
Environmental Scientist Salary in Washington by Experience
In Washington, an entry-level environmental scientist earns around $57,500, while experienced professionals earn up to $138,000 per year. The cost of living index in Washington is 115% of the national average.
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See Investment Options →Salary Percentiles in Washington
| Percentile | WA Salary |
|---|---|
| 10th Percentile | $55,200 |
| 25th Percentile | $67,850 |
| Median (50th) | $88,010 |
| 75th Percentile | $113,850 |
| 90th Percentile | $144,900 |
Environmental Scientist Salary by City in Washington
The largest employment areas for environmental scientists in Washington include Seattle, Spokane, Tacoma, and Bellevue. Salaries vary by city based on local cost of living and demand.
How to Become a Environmental Scientist in Washington
Education
Most environmental scientist positions require a bachelor's degree. Washington has several accredited institutions offering relevant programs.
Key Skills
Job Outlook in Washington
Nationally, environmental scientist employment is projected to grow 6% over the next decade (faster than average). Washington's demand may vary based on local industry trends.
Negotiate Your Way to Senior Pay
Data shows Environmental Scientists who negotiate earn 7–15% more. A single negotiation could add $49,990 over your career trajectory.
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