TakeHomePay
2025 Tax Rates

Illinois Paycheck Calculator 2025

Estimate your take-home pay after federal taxes, Illinois state taxes, FICA, 401(k), and deductions

2025 Tax YearTax rates and brackets reflect Tax Year 2025 federal and state rules. Results are estimates for planning purposes only — not tax advice. Actual withholding depends on your W-4, employer payroll settings, and local taxes. Consult a qualified tax professional for personalized guidance. Data last reviewed: May 2025. We update rates annually each January; interim legislative changes may not be reflected immediately.

Income

Tax Profile

Pre-Tax Deductions (Optional)

Estimated Take-Home

$2,209

per paycheck · bi-weekly

Illinois · Single

Monthly

$4,786

Annual

$57,436

Total Withholding & Deductions

23.0%

Includes estimated taxes and paycheck deductions

Estimated Take-Home Ratio

77.0%

Paycheck Breakdown

Gross Pay$2,885

Taxes

Federal Income Tax−$312
State Tax (IL)−$143
Social Security−$179
Medicare−$42
Take-Home$2,209

How Illinois Taxes Affect Your Paycheck

Illinois has a flat state income tax rate of 4.95% on all taxable income. There are no tax brackets — every dollar above the state's filing threshold is taxed at the same rate.

Illinois Paycheck FAQ

What is the Illinois state income tax rate for 2025?

Illinois has a flat income tax rate of 4.95% for 2025. All taxable income is subject to this single rate.

Does Illinois allow deductions for 401(k) contributions?

Illinois does not allow deductions for 401(k) contributions on state tax returns, meaning your pre-tax contributions are still taxed at the state level.

How does Illinois' flat tax compare to neighboring states?

Illinois' 4.95% flat rate is competitive with neighboring Wisconsin and Iowa, though some nearby states have lower rates.

How We Calculate Your Paycheck

Federal & FICA Taxes

2025 federal income tax brackets (IRS Rev. Proc. 2024-61), Social Security 6.2% up to the $176,100 wage base, and Medicare 1.45% (+ 0.9% Additional Medicare Tax above $200,000).

State Tax Estimates

2025 state income tax rates for all 50 states and DC. Covers no-income-tax states, flat-rate states, and progressive bracket states. Rates last reviewed May 2025.

Pre-Tax Deductions

2025 contribution limits applied: 401(k) up to $23,500, HSA up to $4,300 (self) or $8,550 (family), FSA up to $3,300. Deductions reduce federal taxable income.

Tax Year: 2025 (January 1 – December 31, 2025)
Data Last Reviewed: May 2025 — we update rates each January. Mid-year legislative changes may not be reflected immediately.
Coverage: Federal income tax, FICA, and state income tax only. City/county taxes, SDI, and other local levies are not included.
Withholding vs. Liability: Results reflect estimated withholding, not final tax liability. Actual W-4 settings and employer payroll rules will differ.

This calculator provides estimates for planning purposes only. It is not tax advice and does not constitute a legal or financial opinion. Consult a qualified CPA or tax professional for advice specific to your situation. Not affiliated with the IRS, any state tax authority, or any government agency.