Illinois Income Tax Calculator

Illinois income tax calculator estimates the take-home pay after tax for Illinois State residents.

The Federal income brackets from 10% to 37% for the year 2021. The standard deduction is $12,550 (single) and $25,100 (married filing jointly) for the year 2021. After gross income less standard deduction, that is taxable income subject to Federal income tax.

The social security tax rate is 6.2% and the Medicare tax is 1.45% of gross income. The maximum taxable earnings for social security tax is $142,800 for the year 2021. Single filers pay an additional 0.9% in Medicare taxes if income is over $200,000 ($250,000 for married filing jointly).

Illinois State Income Tax Rate

Illinois State's income tax rate is 4.95% for all taxpayers. There is no standard deduction for Illinois State, however, there is $2,375 for personal exemption.