Estimate Illinois property tax for 2026. Illinois has one of the highest effective property tax rates in the country. The state's average effective rate is about 2.23%, roughly $6,021 per year on the $270,000 median home.
State averages (2026). County/municipal rates vary — use the override.
Estimate Illinois property tax for 2026. Illinois has one of the highest effective property tax rates in the country. The state's average effective rate is about 2.23%, roughly $6,021 per year on the $270,000 median home.
This page preloads typical 2026 assumptions for IL. Every figure is an estimate — adjust the inputs above to match your exact situation, and confirm final numbers with a licensed professional.
The mortgage calculations on this site are estimates based on the information you provide. Actual mortgage terms, interest rates, and payments will vary based on your credit score and history, debt-to-income ratio, property type and location, loan program, lender-specific requirements, and market conditions.
SmartMortgageCalcs does not provide mortgage, financial, or legal advice. We are not a mortgage lender or broker. We strongly recommend consulting with multiple licensed mortgage lenders, working with a qualified real estate agent, reviewing all documents carefully before signing, and seeking advice from a financial advisor. Our estimates do not constitute a loan offer or commitment — final loan terms are determined by the lender. Interest rates and fees shown are illustrative only.
Last updated: May 21, 2026
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