LenaH
Employee Tax Expert

Deductions & credits

State tax exemptions either reduce or entirely eliminate your obligation to pay tax. Most taxpayers are entitled to an exemption on their tax return that reduces your tax bill in the same way a deduction does. 

 

The standard personal exemption for Illinois is calculated using the basic exemption amount of $2,050 plus the cost-of-living adjustment. For the tax year beginning January 1, 2021, it is $2,375 per exemption. If you (or your spouse if married filing jointly) were 65 or older and/or legally blind, the exemption allowance is an additional $1000. 

 

If someone else can claim you as a dependent and your Illinois base income is $2,325 or less, your exemption allowance is $2,325. If income is greater than $2,325 and you can be claimed as a dependent, your exemption allowance is $0.

 

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