Washington Gas Tax
Among the Highest
Washington charges 60.17 cents per gallon in state tax, ranking 4 of 50, which is among the highest in the country. With the federal 18.40 cents added, a driver pays 78.57 cents per gallon in tax. Diesel is taxed at 63.17 cents.
What “Among the Highest” means
State gas tax in the top third nationally. Drivers here pay the most at the pump before the federal tax is added.
17 of 50 states are in the same category
Alongside Washington: California, Florida, Georgia, Illinois, Indiana, Maryland, Michigan, New Jersey, North Carolina, Ohio, Oregon, Pennsylvania, and 4 more.
Source: Tax Foundation · as of 2026 · last verified September 24, 2026
See every state in our gas tax tracker, or everything we track for Washington.
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