2026 Updated

Illinois Financial Calculators

Free, accurate calculators for Illinois income tax and mortgage.

State Income Tax

Yes

Illinois

Top Marginal Rate

5.0%

Income tax

Currency

USD

Region

USA

North America

Illinois Calculators

Choose a calculator to get started with accurate Illinois financial figures.

Calculate your net income after Illinois state and federal income tax with 2026 brackets and deductions.

Estimate Illinois mortgage payments with current state-specific property tax and interest rates.

Want to compare Illinois with other states?

Browse all 50 US States and compare income tax rates and mortgage estimators side by side.