Data Explorer
Fuel taxes · EIA

Illinois state diesel taxes

FUELTAX_IL_DIESEL · ¢/gal · semiannual

79.20 ¢/gal as of 2026-07-01
  • 1 week +5.30 +7.2%
  • 1 month +5.30 +7.2%
  • 1 year +5.30 +7.2%
  • 5 years +16.40 +26.1%

2026 and 2025 by week of the year, against the 2021–2025 average and range.

Latest79.20 ¢/gal2026-07-01
Change, 1 week+5.30 (+7.2%)from 73.90 on 2026-01-01
Change, 1 month+5.30 (+7.2%)from 73.90 on 2026-01-01
Change, 1 year+5.30 (+7.2%)from 73.90 on 2025-07-01
Change, 5 years+16.40 (+26.1%)from 62.80 on 2021-07-01
52-week high79.202026-07-01
52-week low73.902026-01-01
52-week average76.55
All-time high79.202026-07-01
All-time low34.602017-01-01
Percentile of history100%share of all observations below the latest value
History24observations, 2015-01-01 to 2026-07-01

The latest 24 observations. Download the full history as CSV (sign-in required).

DateValue (¢/gal)Change
2026-07-0179.20+5.30
2026-01-0173.900.00
2025-07-0173.90+0.30
2025-01-0173.60-1.00
2024-07-0174.60+0.60
2024-01-0174.000.00
2023-07-0174.00-0.90
2023-01-0174.90+4.10
2022-07-0170.80+5.00
2022-01-0165.80+3.00
2021-07-0162.80+4.50
2021-01-0158.30-1.00
2020-07-0159.30-1.30
2020-01-0160.60-1.00
2019-07-0161.60+23.00
2019-01-0138.60+1.00
2018-07-0137.60+1.00
2018-01-0136.60+1.00
2017-07-0135.60+1.00
2017-01-0134.60-1.00
2016-07-0135.600.00
2016-01-0135.60-1.00
2015-07-0136.60-5.00
2015-01-0141.60—

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.

SourceU.S. Energy Information Administration
LicencePublic domain (U.S. government work).
Series codeFUELTAX_IL_DIESEL
CategoryFuel taxes · fuel_taxes
Cite asEIA, Illinois state diesel taxes (FUELTAX_IL_DIESEL), Thinking On Energy Data Explorer. https://thinkingonenergy.com/data/FUELTAX_IL_DIESEL/, accessed 2026-11-01.
For AI toolsMarkdown summary

Series are stored locally as they are published and refreshed on each source’s schedule. EIA and CFTC data are U.S. government works in the public domain; other sources are credited on each series page. Derived series are calculated by NewTide from the source data shown.