Indiana · week of September 21, 2026
Gas prices in Indiana: Midwest average and state gas tax
There's no official weekly average just for Indiana. What there is: the Midwest regional average, which the state is part of, at $4.39 for regular this week (September 21, 2026). That's −9.2¢ versus the whole country. Taxes are a big part of the story: Indiana's state gas tax and fees total 64.5¢ per gallon (3rd of 51, highest first), and diesel carries 64.0¢. Since January 2015, the gasoline rate has moved +30.3¢.
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
64.5¢state gas tax + fees
82.9¢state + federal tax
3rd / 51rank for gas tax
The quick take
Crossing a state line can change the tax you pay: next door to Indiana, rates run from 26.4¢ in Kentucky to 71.7¢ in Illinois.
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 | 64.5¢ | 64.0¢ |
| Jan 2026 | 53.5¢ | 62.0¢ |
| Jul 2025 | 54.5¢ | 62.0¢ |
| Jan 2025 | 52.5¢ | 60.0¢ |
| Jul 2024 | 56.1¢ | 60.0¢ |
| Jan 2024 | 51.7¢ | 58.0¢ |
| Jul 2023 | 55.5¢ | 58.0¢ |
| Jan 2023 | 53.9¢ | 56.0¢ |
| Jul 2022 | 63.1¢ | 56.0¢ |
| Jan 2022 | 50.3¢ | 54.0¢ |
| Jul 2021 | 49.8¢ | 54.0¢ |
| Jul 2020 | 42.4¢ | 52.0¢ |
| Jan 2020 | 44.4¢ | 50.0¢ |
| Jul 2019 | 46.6¢ | 50.0¢ |
| Jan 2019 | 42.0¢ | 49.0¢ |
| Jul 2018 | 46.7¢ | 49.0¢ |
| Jan 2018 | 42.6¢ | 27.0¢ |
| Jul 2017 | 41.8¢ | 29.0¢ |
| Jan 2017 | 30.6¢ | 17.0¢ |
| Jul 2016 | 33.1¢ | 17.0¢ |
| Jan 2016 | 29.0¢ | 17.0¢ |
| Jul 2015 | 34.8¢ | 17.0¢ |
| Jan 2015 | 34.2¢ | 17.0¢ |
Neighboring states
Illinois71.7¢Kentucky26.4¢Michigan53.4¢Ohio38.5¢
Map
$3.972$4.539$5.106
Regular gas
Region: Midwest · Gas tax by state · Diesel prices · U.S. average