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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

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Income Tax Rates

Tax Types Current Tax Rates Prior Year Rates
Business Income Tax Effective July 1, 2017:
  • Corporations – 7 percent of net income
  • Trusts and estates – 4.95 percent of net income
 BIT prior year rates
Individual Income Tax Effective July 1, 2017:
  • 4.95 percent of net income
 IIT prior year rates
Personal Property Replacement Tax Corporations – (other than S corporations)
  • 2.5 percent of net income
Partnerships, trusts, and S corporations
  • 1.5 percent of net income
  
Withholding (payroll) Effective July 1, 2017, 4.95 percent of net income is required to be withheld from:
  • employee compensation based on the number of allowances claimed by the employee,
  • Illinois lottery winnings each time a single payment is over $1,000 for both Illinois residents and nonresidents, and
  • other gambling winnings paid to an Illinois resident
if the winnings are subject to federal income tax withholding requirements.