Illinois Paycheck Calculator 2024 - IL Tax Calculator

Illinois State Income Tax

Illinois has a flat state income tax rate of 4.95% on all taxable income. Unlike states with progressive tax brackets, Illinois applies the same rate regardless of your income level. Here's what you need to know:

2024 Illinois Tax Rate

• Flat Rate: 4.95% on all taxable income
• No Brackets: Same rate applies to all income levels
• Simple Calculation: Illinois state tax = (Taxable Income) × 4.95%

What You Pay in Illinois

• Federal Income Tax: Federal tax based on your tax brackets (10% to 37%)
• Illinois State Tax: 4.95% flat rate on taxable income
• Social Security: 6.2% on income up to $168,600
• Medicare: 1.45% on all income

How to Use the Illinois Paycheck Calculator

Our Illinois paycheck calculator (also known as a IL tax calculator or Illinois salary calculator) makes it easy to calculate your paycheck:

1. Enter your gross annual salary
2. Select United States as your country
3. Select Illinois (IL) as your state
4. Select your filing status
5. Enter number of dependents (if applicable)
6. Enter 401(k) and IRA contributions (if applicable)
7. Click "Calculate" to see your Illinois paycheck breakdown

What the Illinois Paycheck Calculator Shows

Our Illinois paycheck calculator provides a complete breakdown:

• Gross Income: Your total salary before deductions
• Federal Income Tax: Federal tax based on your tax brackets
• Illinois State Tax: 4.95% flat rate on taxable income
• Social Security: 6.2% on income up to $168,600
• Medicare: 1.45% on all income
• Net Pay (Paycheck): Your take-home pay after all deductions
• Effective Tax Rate: Total tax (federal + state) as a percentage

Illinois vs Other States

Illinois's flat 4.95% tax rate compares to other states as follows:

• Illinois: 4.95% flat rate (same for all income levels)
• California: Progressive rates from 1% to 13.3% (higher for high earners)
• New York: Progressive rates from 4% to 10.9% (higher for high earners)
• Texas: No state income tax
• Florida: No state income tax
• North Carolina: 4.75% flat rate (similar to Illinois)

Use our tax comparison tool to see how Illinois compares to other states.