← Illinois tax rules›Gas Tax
Illinois Gas Tax (2026)
Conditional: About 66.4 cents/gallon in total state gasoline taxes (48.3c excise + ~17c prepaid sales tax + fees), excludes the 18.4c federal tax; the excise is indexed and adjusts each July 1.
ConditionalVerified May 31, 2026
About 66.4 cents/gallon in total state gasoline taxes (48.3c excise + ~17c prepaid sales tax + fees), excludes the 18.4c federal tax; the excise is indexed and adjusts each July 1.
Official source: tax.illinois.gov →
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