State gas taxes · EIA figures for July 2026
Mississippi gas tax
The 38th highest state gas tax of 51, and 9.4¢ below the state average. With the 18.4¢ federal tax, Mississippi drivers pay 42.80¢ a gallon in fuel tax, about 12% of this week's price.
What makes up the tax on a gallon
| State excise tax | 24.00¢ |
|---|---|
| Other state taxes and fees | 0.40¢ |
| Federal excise tax | 18.40¢ |
| Total per gallon | 42.80¢ |
| On a 15-gallon fill | $6.42 |
| Over a typical year (480 gallons) | $205 |
| Regular gas this week | $3.646 |
From the EIA’s notes for Mississippi: Seawall Tax: $0.0300/gal (gasoline only) in effect in Harrison, Hancock, and Jackson Counties. Environmental Protection Fee: $0.0040/gal.
Source: EIA federal and state motor fuel taxes, July 2026. The federal rate has not changed since 1993. County and city taxes are not included, so some drivers pay a little more.
Fuel tax in Mississippi and its neighbours
Across the line in Louisiana, state tax is 3.5¢ a gallon lower, which is $0.52 less tax on a 15-gallon fill.
| State | State tax | Versus MS | On a 15-gal tank |
|---|---|---|---|
| Louisiana | 20.9¢ | −3.5¢ | −$0.52 |
| Mississippi | 24.4¢ | — | — |
| Arkansas | 25.0¢ | +0.6¢ | +$0.09 |
| Tennessee | 27.4¢ | +3.0¢ | +$0.45 |
| Alabama | 31.0¢ | +6.6¢ | +$0.99 |
Where Mississippi sits in the ranking
| 36. Arkansas | 25.00¢ |
|---|---|
| 37. Connecticut | 25.00¢ |
| 38. Mississippi | 24.40¢ |
| 39. New York | 24.18¢ |
| 40. Wyoming | 24.00¢ |
Ranked by total state tax per gallon, highest first. See all 51 ranked.
What this means for your driving
Tax is a fixed number of cents on every gallon, so the less fuel you burn, the less of it you pay. A car that gets 30 mpg pays $171 a year in fuel tax over 12,000 miles in Mississippi; a pickup at 19 mpg pays $270.
Work out a trip or a year of driving with the Mississippi fuel cost calculator, or see Mississippi gas prices this week.
Mississippi gas tax questions
- What is the gas tax in Mississippi?
- Mississippi charges 24.40¢ per gallon of gasoline in state tax: 24.00¢ of excise tax plus 0.40¢ in other per-gallon taxes and fees, according to the EIA's table updated July 2026. Add the 18.4¢ federal tax and drivers pay 42.80¢ a gallon in fuel tax.
- How does Mississippi's gas tax compare with other states?
- It is the 38th highest of 51 (the 50 states and D.C.), and 9.4¢ a gallon below the average state tax of 33.8¢.
- How much gas tax does a Mississippi driver pay in a year?
- About $205 in state and federal fuel tax for a typical year of 480 gallons (roughly 12,000 miles at 25 mpg), of which $117 goes to the state. A 15-gallon fill carries $6.42 of tax.
- Is gas tax included in the price at the pump?
- Yes. Federal and state per-gallon fuel taxes are built into the price posted on the sign; they are not added at the register. That is why tax differences between neighbouring states show up directly in pump prices.
- Which neighbouring state has a lower gas tax than Mississippi?
- Louisiana has the lowest state gas tax of Mississippi's neighbours, at 20.93¢ a gallon. That is 3.5¢ less, or $0.52 on a 15-gallon fill.