Illinois Business Tax Calculator
Calculate corporate income tax, franchise tax, and gross receipts tax for businesses operating in Illinois.
🗺️Why calculating in this state is different
Illinois has a flat income tax and high local property taxes.
State Income Tax
4.95%
Base Sales Tax
6.25%
State Min Wage
$14.00 / hr
Abbreviation
IL
Illinois Business
This calculator uses the latest 2026 data for Illinois, including the minimum wage of $14.00/hr and the specific state income tax rates (4.95%).
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State Tax Rate4.95%
📊State Details
State Income Tax
4.95%
Base Sales Tax
6.25%
State Min Wage
$14.00/hr
Abbreviation
IL
Net Income
$54,787.50
after taxes in Illinois
Gross Income
$75,000.00
Total Tax
$20,212.50
📈Key Metrics
Net Income
$54,787.50
after taxes
State Tax
$3,712.50
state income tax
Effective Tax Rate
27.0%
total tax burden
ℹ️Summary
Gross Income$75,000.00
Federal Tax$16,500.00
State Tax$3,712.50
Net Income$54,787.50
❓Frequently Asked Questions
What is the corporate tax rate in Illinois?
Corporate tax structures vary. In addition to potential corporate income taxes, businesses in Illinois must also consider unemployment insurance taxes, sales tax collection (6.25%), and local business licenses.
Do LLCs pay tax in Illinois?
LLCs are typically pass-through entities, meaning profits pass through to the owners' personal tax returns and are taxed at the personal 4.95% rate. However, Illinois may also impose an annual LLC franchise fee.
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