Delaware Gas Tax
What Delaware and the federal government charge per gallon of gasoline, from U.S. Energy Information Administration data as of July 2026.
What makes up Delaware’s 41.4¢
| Delaware state excise tax | 23.0¢ |
| Other Delaware taxes & fees sales/use taxes, inspection and environmental fees | — |
| Total Delaware state tax | 23.0¢ |
| Federal excise + LUST fee 18.3¢ excise + 0.1¢ LUST, unchanged since 1993 | 18.4¢ |
| Combined state + federal | 41.4¢ |
Hazardous Substance Cleanup Act (HSCA): 1.1902% tax on gross receipts from the sale of petroleum or petroleum products, and the adjustable rates cannot be lower than 0.675% or higher than 1.675%.
How much of a gallon in Delaware is tax
Delaware gasoline currently averages $4.33 a gallon. Against that, the 41.4¢ of combined state and federal tax is about 9.6% of what a driver pays — with local taxes, where they apply, on top.
Tax rate from EIA as of July 2026; pump price is the current EIA weekly average. The two are published on different schedules, so the share moves as prices move even when the tax does not.
Delaware vs. the other 50 states
Delaware’s state gas tax of 23.0¢ is 10.8¢ below the 33.8¢ average across 50 states and D.C. — the 44th-highest, or equivalently the 8th-lowest.
Delaware gas tax, answered
- What is the gas tax in Delaware?
- Delaware charges 23.0¢ per gallon in state gasoline taxes — 23.0¢ of state excise tax. Adding the 18.4¢ federal tax brings the total to 41.4¢ per gallon, according to U.S. Energy Information Administration data as of July 2026. These are state and federal taxes only and exclude county and local taxes.
- How does Delaware's gas tax compare to other states?
- Delaware's state gasoline tax of 23.0¢ per gallon ranks 44th-highest of the 50 states and D.C. that EIA lists, against an average of 33.8¢. The highest is California at 73.6¢ and the lowest is Alaska at 8.9¢.
- What is the federal gas tax in Delaware?
- The federal gasoline tax is 18.4¢ per gallon in Delaware, the same as in every other state — 18.3¢ of excise tax plus a 0.1¢ Leaking Underground Storage Tank fee. It has been unchanged since 1993.
- How much of the price of gas in Delaware is tax?
- With Delaware gasoline averaging $4.33 per gallon, the 41.4¢ of combined state and federal tax is about 9.6% of the pump price. Local taxes, where they apply, are on top of that.
- Does Delaware charge local gas taxes too?
- EIA does not flag Delaware as a state where local option taxes are allowed. Its table covers taxes of general application and excludes county and local taxes in every state, so treat the figures here as state and federal only.
Related to Delaware gas tax
Tax rates from the U.S. Energy Information Administration, “Federal and state motor fuels taxes”, edition July 2026 (revised August 2026) (as of July 2026), published on EIA’s Petroleum Marketing Monthly page and reissued each January and July. EIA lists taxes “of general application … exclusive of county and local taxes”; rates are for gasoline.