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What is the Illinois exemption allowance?

 

The standard personal exemption is calculated using the basic exemption amount of $2,050 plus the cost-of-living adjustment.

  • For tax year beginning January 1, 2024, it is $2,775 per exemption.  If someone else can claim you as a dependent and your Illinois base income is $2,775 or less, your exemption allowance is $2,775. If income is greater than $2,775, your exemption allowance is 0.
  • For tax years beginning January 1, 2023, it is $2,425 per exemption. If someone else can claim you as a dependent and your Illinois income is $2,425 or less, your exemption allowance is $2,425. If income is greater than $2,425, your exemption allowance is 0.
  • For prior tax years, see Form IL-1040 instructions for that year.

If you (or your spouse if married filing jointly) were 65 or older and/or legally blind, the exemption allowance is an additional $1000, whichever is applicable. (If you turned 65 at any point during the tax year, you may claim this exemption.) Please see the IL-1040 instructions for additional information. 

Note: The Illinois exemption allowance is not allowed if a taxpayer’s federal adjusted gross income (AGI) exceeds $500,000 for returns with a federal filing status of married filing jointly, or $250,000 for all other returns.

 

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