What does a Petroleum Engineers salary really buy you in Washington?
Washington is 9.8% pricier than the US averageData: BLS OEWS 2024 + BEA Regional Price Parities 2022 • Updated 2026-03-31
Washington's Regional Price Parity (RPP) is 109.8, meaning prices are 9.8% higher the national average. A Petroleum Engineers earning $129,660 in Washington has the equivalent purchasing power of $118,087 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Washington's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $104,210 | $94,908 | $-9,301 |
| 25th Percentile (P25) | $122,350 | $111,429 | $-10,920 |
| Median (P50) | $129,660 | $118,087 | $-11,572 |
| 75th Percentile (P75) | $170,870 | $155,619 | $-15,250 |
| 90th Percentile (P90) | $198,850 | $181,102 | $-17,747 |
While $129,660 sounds high, Washington's elevated cost of living erases 9% of that salary's purchasing power. Your real buying power is $118,087. Consider whether the higher pay offsets the higher costs.
Where does Petroleum Engineers salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Washington ranks #18 out of 23 states for Petroleum Engineers after cost-of-living adjustment.
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A Petroleum Engineers in Washington earns a median salary of $129,660 per year. After adjusting for Washington's cost of living (RPP=109.8), the real purchasing power is $118,087 — a -8.9% difference.
Washington's cost of living is 9.8% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for Washington is 109.8 (US average = 100).
Regional Price Parities (RPPs) are price indexes published by the U.S. Bureau of Economic Analysis (BEA) that measure differences in price levels across states. They are expressed as a percentage of the national average (US = 100). Higher RPP means higher cost of living.
The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Petroleum Engineers in Washington: $129,660 x (100 / 109.8) = $118,087. This represents what the salary would be worth in a state with average living costs.
Partially — a Petroleum Engineers's nominal salary of $129,660 in Washington has 8.9% less purchasing power due to higher living costs. The real value is $118,087. However, Washington may offer better career opportunities, networking, and industry access.