Income Tax in Illinois
Illinois (IL) has a flat income tax rate of 5.0% for tax year 2025. The standard deduction is $0 for single filers and $0 for married filing jointly.
2025 Tax Brackets
| Tax Rate | Taxable Income Range |
|---|---|
| 5.0% | $0+ |
Standard Deduction
| Filing Status | Deduction |
|---|---|
| Single | N/A |
| Married Filing Jointly | N/A |