Property Tax in Illinois Calculator 2025-2026

Calculate property tax for Illinois real estate based on assessed value.

Our free property tax in illinois calculator helps you calculate property tax for Illinois real estate. This illinois property tax calculator estimates the annual property tax you'll pay, with rates varying significantly by county and municipality (typically ranging from less than 1% to over 4%).

Calculate property tax for Illinois real estate based on assessed value.

Property Assessed Value

Enter the assessed value of your property (typically a percentage of fair market value).

Illinois property tax rates vary significantly by county and municipality. The average effective rate is approximately 2.19%, but rates can range from less than 1% to over 4% depending on location. This calculator uses the average rate. Check with your local assessor's office for the exact rate and assessed value in your area.

How It Works

Illinois property tax rates vary significantly by county and municipality. The average effective rate is approximately 2.19%, but rates can range from less than 1% to over 4% depending on location. The calculator uses the average rate to provide an estimate. Check with your local assessor's office for the exact rate and assessed value in your area.