Mississippi · week of September 21, 2026
Gas prices in Mississippi: Gulf Coast average and state gas tax
Mississippi falls in the EIA's Gulf Coast region, and that regional number is the most precise public figure available: $3.97 a gallon for regular for the week of September 21, 2026, a +12.0¢ weekly change. Every gallon sold in Mississippi includes 42.8¢ in state and federal taxes: 24.4¢ goes to the state, 18.4¢ to Washington. That ranks the state 38th out of 51 for gas taxes.
regional average · Gulf Coast
$3.972
EIA weekly survey
$3.972regional average · Gulf Coast
+12.0¢change in a week
+$1.26change in a year
$6.177diesel
24.4¢state gas tax + fees
42.8¢state + federal tax
38th / 51rank for gas tax
The quick take
If you're near the border, compare: Louisiana charges 20.9¢ in state gas taxes and Alabama charges 31.0¢, the low and high among Mississippi's 4 neighbors.
Regular gas, weekly average · Gulf Coast
September 30, 2024: $2.695 · September 21, 2026: $3.972 · min $2.372 · max $3.989
The state's gas tax since 2015
| Rate as of | Gasoline | Diesel |
|---|---|---|
| Jul 2026 | 24.4¢ | 24.4¢ |
| Jan 2026 | 21.4¢ | 21.4¢ |
| Jul 2025 | 21.4¢ | 21.4¢ |
| Jan 2025 | 18.4¢ | 18.4¢ |
| Jul 2024 | 18.4¢ | 18.4¢ |
| Jan 2024 | 18.4¢ | 18.4¢ |
| Jul 2023 | 18.4¢ | 18.4¢ |
| Jan 2023 | 18.4¢ | 18.4¢ |
| Jul 2022 | 18.4¢ | 18.4¢ |
| Jan 2022 | 18.4¢ | 18.4¢ |
| Jul 2021 | 18.4¢ | 18.4¢ |
| Jul 2020 | 18.4¢ | 18.4¢ |
| Jan 2020 | 18.4¢ | 18.4¢ |
| Jul 2019 | 18.4¢ | 18.4¢ |
| Jan 2019 | 18.4¢ | 18.4¢ |
| Jul 2018 | 18.4¢ | 18.4¢ |
| Jan 2018 | 18.4¢ | 18.4¢ |
| Jul 2017 | 18.4¢ | 18.4¢ |
| Jan 2017 | 18.4¢ | 18.4¢ |
| Jul 2016 | 18.4¢ | 18.4¢ |
| Jan 2016 | 18.4¢ | 18.4¢ |
| Jul 2015 | 18.4¢ | 18.4¢ |
| Jan 2015 | 18.4¢ | 18.4¢ |
Neighboring states
Alabama31.0¢Arkansas25.0¢Louisiana20.9¢Tennessee27.4¢
Map
$3.972$4.539$5.106
Regular gas
Region: Gulf Coast · Gas tax by state · Diesel prices · U.S. average