Oklahoma · week of September 21, 2026
Gas prices in Oklahoma: Midwest average and state gas tax
Oklahoma falls in the EIA's Midwest region, and that regional number is the most precise public figure available: $4.39 a gallon for regular for the week of September 21, 2026, a +29.5¢ weekly change. Every gallon sold in Oklahoma includes 38.4¢ in state and federal taxes: 20.0¢ goes to the state, 18.4¢ to Washington. That ranks the state 46th out of 51 for gas taxes.
regional average · Midwest
$4.386
EIA weekly survey
$4.386regional average · Midwest
+29.5¢change in a week
+$1.38change in a year
$6.680diesel
20.0¢state gas tax + fees
38.4¢state + federal tax
46th / 51rank for gas tax
The quick take
If you're near the border, compare: New Mexico charges 18.9¢ in state gas taxes and Colorado charges 30.2¢, the low and high among Oklahoma's 6 neighbors.
Regular gas, weekly average · Midwest
September 30, 2024: $3.105 · September 21, 2026: $4.386 · min $2.585 · max $4.405
The state's gas tax since 2015
| Rate as of | Gasoline | Diesel |
|---|---|---|
| Jul 2026 | 20.0¢ | 20.0¢ |
| Jan 2026 | 20.0¢ | 20.0¢ |
| Jul 2025 | 20.0¢ | 20.0¢ |
| Jan 2025 | 20.0¢ | 20.0¢ |
| Jul 2024 | 20.0¢ | 20.0¢ |
| Jan 2024 | 20.0¢ | 20.0¢ |
| Jul 2023 | 20.0¢ | 20.0¢ |
| Jan 2023 | 20.0¢ | 20.0¢ |
| Jul 2022 | 20.0¢ | 20.0¢ |
| Jan 2022 | 20.0¢ | 20.0¢ |
| Jul 2021 | 20.0¢ | 20.0¢ |
| Jul 2020 | 20.0¢ | 20.0¢ |
| Jan 2020 | 20.0¢ | 20.0¢ |
| Jul 2019 | 20.0¢ | 20.0¢ |
| Jan 2019 | 20.0¢ | 20.0¢ |
| Jul 2018 | 20.0¢ | 20.0¢ |
| Jan 2018 | 17.0¢ | 14.0¢ |
| Jul 2017 | 17.0¢ | 14.0¢ |
| Jan 2017 | 17.0¢ | 14.0¢ |
| Jul 2016 | 17.0¢ | 14.0¢ |
| Jan 2016 | 17.0¢ | 14.0¢ |
| Jul 2015 | 17.0¢ | 14.0¢ |
| Jan 2015 | 17.0¢ | 14.0¢ |
Neighboring states
Arkansas25.0¢Colorado30.2¢Kansas25.0¢Missouri30.0¢New Mexico18.9¢Texas20.0¢
Map
$3.972$4.539$5.106
Regular gas
Region: Midwest · Gas tax by state · Diesel prices · U.S. average