Louisiana · week of September 21, 2026
Gas prices in Louisiana: Gulf Coast average and state gas tax
Regular gas across the Gulf Coast, the EIA region that includes Louisiana, averaged $3.97 for the week of September 21, 2026. The agency doesn't break out a separate weekly price for Louisiana, and we won't invent one. State and federal taxes together take 39.3¢ from each gallon of gas in Louisiana. The state's share is 20.9¢, which places it 45th of 51, while diesel pays 20.9¢ in state 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
20.9¢state gas tax + fees
39.3¢state + federal tax
45th / 51rank for gas tax
The quick take
If you're near the border, compare: Texas charges 20.0¢ in state gas taxes and Arkansas charges 25.0¢, the low and high among Louisiana's 3 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 | 20.9¢ | 20.9¢ |
| Jan 2026 | 20.9¢ | 20.9¢ |
| Jul 2025 | 20.9¢ | 20.9¢ |
| Jan 2025 | 20.9¢ | 20.9¢ |
| Jul 2024 | 20.9¢ | 20.9¢ |
| Jan 2024 | 20.9¢ | 20.9¢ |
| Jul 2023 | 20.9¢ | 20.9¢ |
| Jan 2023 | 20.9¢ | 20.9¢ |
| Jul 2022 | 20.9¢ | 20.9¢ |
| Jan 2022 | 20.9¢ | 20.9¢ |
| Jul 2021 | 20.9¢ | 20.9¢ |
| Jul 2020 | 20.9¢ | 20.9¢ |
| Jan 2020 | 20.9¢ | 20.9¢ |
| Jul 2019 | 20.9¢ | 20.9¢ |
| Jan 2019 | 20.9¢ | 20.9¢ |
| Jul 2018 | 20.9¢ | 20.9¢ |
| Jan 2018 | 20.9¢ | 20.9¢ |
| Jul 2017 | 20.9¢ | 20.9¢ |
| Jan 2017 | 20.9¢ | 20.9¢ |
| Jul 2016 | 20.9¢ | 20.9¢ |
| Jan 2016 | 20.9¢ | 20.9¢ |
| Jul 2015 | 20.9¢ | 20.9¢ |
| Jan 2015 | 20.9¢ | 20.9¢ |
Neighboring states
Arkansas25.0¢Mississippi24.4¢Texas20.0¢
Map
$3.972$4.539$5.106
Regular gas
Region: Gulf Coast · Gas tax by state · Diesel prices · U.S. average