Petroleum Engineer Salary in Washington
The median petroleum engineer salary in Washington is $151,570 per year, which is 15.0% above the national median of $131,800.
Petroleum Engineer Salary Overview in Washington (2026)
Washington ranks #7 out of 50 states for petroleum engineer compensation. This places Washington in the top tier nationally, making it one of the best states for petroleum engineers seeking high pay. At $151,570 per year, petroleum engineers in Washington earn $19,770 more than the national median of $131,800.
It's worth noting that Washington's cost of living is 115% of the national average, which reduces the real purchasing power of the $151,570 salary. After adjusting for cost of living, the effective salary is closer to $131,800.
The salary spread in Washington is significant: petroleum engineers at the 10th percentile earn $92,000, while those at the 90th percentile bring home $232,300 — a $140,300 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 $200,336.
Nationally, petroleum engineer employment is projected to grow 8% over the next decade (faster than average). This steady growth indicates stable demand for petroleum engineers across the country.
Petroleum Engineer Salary in Washington by Experience
In Washington, an entry-level petroleum engineer earns around $96,600, while experienced professionals earn up to $224,250 per year. The cost of living index in Washington is 115% of the national average.
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View Offers You Qualify For →Salary Percentiles in Washington
| Percentile | WA Salary |
|---|---|
| 10th Percentile | $92,000 |
| 25th Percentile | $117,300 |
| Median (50th) | $151,570 |
| 75th Percentile | $193,200 |
| 90th Percentile | $232,300 |
Petroleum Engineer Salary by City in Washington
The largest employment areas for petroleum engineers in Washington include Seattle, Spokane, Tacoma, and Bellevue. Salaries vary by city based on local cost of living and demand.
How to Become a Petroleum Engineer in Washington
Education
Most petroleum engineer positions require a bachelor's degree. Washington has several accredited institutions offering relevant programs.
Key Skills
Job Outlook in Washington
Nationally, petroleum engineer employment is projected to grow 8% 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 Petroleum Engineers who negotiate earn 7–15% more. A single negotiation could add $72,680 over your career trajectory.
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