Illinois Department Of Revenue, Illinois Tax
Illinois Business Corporate Tax, Illinois Personal Income Tax, Illinois Sales Tax Rates
What are the Illinois corporate net income tax rates?
9.5% for 2011-2014 tax years
7.75% for 2015-2024 tax years
7.3% for 2025 tax years and thereafter
What are the Illinois personal net income tax rates?
5% for 2011-2014 tax years
3.75% for 2015-2024 tax years
3.5% for 2025 tax years and thereafter
What is the average Illinois sales tax rate?
8.4%. The state has a 6.25% tax, but the average local tax is 2.15% making a total of 8.4%
Are there standard deductions?
Are there personal exemptions?
For information about non-profit exemptions, see our Illinois Non-Profit Corporationpage.
What forms do you file for your Illinois taxes?
Estimated tax payments?
Form IL-1120ES for corporations with more than $400 of tax due. Form IL-1040ES for personal returns (for members of an Illinois LLC) with more than $500 estimated tax.
Illinois Department of Revenue:
|Illinois Department of Revenue
100 West Randolph Street
Chicago, IL 60601
Telephone: 800-732-8866 or 217-782-3336
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