# Illinois state diesel taxes

Illinois: state excise plus other state taxes and fees on diesel, cents per gallon, in effect each January 1 and July 1; before federal (18.4 / 24.4 cents) and county or city taxes. EIA, Federal and state motor fuels taxes.
- Series code: `FUELTAX_IL_DIESEL`
- Units: ¢/gal · frequency: semiannual
- Latest: **79.20 ¢/gal** (2026-07-01)
- History: 2015-01-01 to 2026-07-01, 24 observations
- Change over 1 week: +5.30 (+7.2%)
- Change over 1 month: +5.30 (+7.2%)
- Change over 1 year: +5.30 (+7.2%)
- Change over 5 years: +16.40 (+26.1%)
- 52-week range: 73.90 (2026-01-01) – 79.20 (2026-07-01)
- Latest value is higher than 100% of the full history

## Recent observations

| Date | Value |
|---|---|
| 2026-07-01 | 79.20 |
| 2026-01-01 | 73.90 |
| 2025-07-01 | 73.90 |
| 2025-01-01 | 73.60 |
| 2024-07-01 | 74.60 |
| 2024-01-01 | 74.00 |
| 2023-07-01 | 74.00 |
| 2023-01-01 | 74.90 |
| 2022-07-01 | 70.80 |
| 2022-01-01 | 65.80 |
| 2021-07-01 | 62.80 |
| 2021-01-01 | 58.30 |

Source: U.S. Energy Information Administration. Public domain (U.S. government work).
Page: https://thinkingonenergy.com/data/FUELTAX_IL_DIESEL/