Illinois Income Tax Calculator
⚠ Estimated rates
Illinois applies a flat 4.95% state income tax rate.
$
Compare against other countries
1/5 addedIllinois state tax brackets
| Taxable income | Rate |
|---|---|
| $0 – ∞ | 4.95% |
Illinois applies a flat 4.95% state income tax rate.
Compare against other countries
1/5 added| Taxable income | Rate |
|---|---|
| $0 – ∞ | 4.95% |