Illinois Tax Calculators.
2025 income tax rates, brackets, and sales tax for Illinois. Free calculators with Illinois-specific defaults.Income Tax
Illinois has a flat income tax rate of 4.95% on all taxable income. Unlike most states, Illinois does not offer a standard deduction but provides personal exemptions. A 2020 ballot measure to switch to progressive rates was defeated by voters.
Sales Tax
Groceries are taxed at reduced 1% rate. Prescription drugs are exempt. Clothing is taxable.
Illinois' 4.95% flat rate is moderate nationally. However, combined with high property taxes (averaging ~2.07%, second highest nationally) and high sales tax, the overall tax burden is significant.
Does Illinois have a flat or progressive tax?
Illinois has a flat income tax of 4.95%. A 2020 ballot measure to adopt progressive rates was rejected by voters.
What is the sales tax in Illinois?
Illinois has a 6.25% state sales tax. With local taxes, the average combined rate reaches about 8.82%, among the highest in the nation.
Are groceries taxed in Illinois?
Groceries (qualifying food and drugs) are taxed at a reduced state rate of 1% instead of the full 6.25%. Local taxes may still apply.