1. What is the Illinois Salary Calculator?

This calculator helps estimate your net pay (take-home salary) in Illinois after accounting for federal tax, Illinois state tax (4.95% flat rate), and FICA contributions.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• Gross Pay — Your total annual salary before deductions
• Federal Tax — Estimated federal income tax amount
• Illinois State Tax — Calculated as 4.95% of gross pay
• FICA — Social Security and Medicare contributions

3. Understanding Illinois Taxes

Details: Illinois has a flat state income tax rate of 4.95%. Unlike many states, this rate applies equally to all income levels. There are no local income taxes in most Illinois municipalities.

4. Using the Calculator

Tips: Enter your gross annual salary, estimated federal tax, and FICA contributions. The calculator will automatically compute Illinois state tax and your final net pay.

5. Frequently Asked Questions (FAQ)

Q1: Why is Illinois state tax calculated separately?
A: Illinois uses a flat tax rate (4.95%) that's different from the progressive federal tax system.

Q2: What's included in FICA?
A: FICA includes Social Security (6.2%) and Medicare (1.45%) taxes, totaling 7.65% of your gross pay.

Q3: Are there deductions not accounted for here?
A: Yes, this doesn't include voluntary deductions like retirement contributions, health insurance, or other benefits.

Q4: How accurate is this calculator?
A: It provides a good estimate but actual take-home pay may vary based on specific tax situations and deductions.

Q5: Does Illinois tax retirement income?
A: No, Illinois does not tax retirement income including Social Security benefits, pensions, or 401(k)/IRA distributions.