Property Tax Rates & Rules
Illinois has an average effective property tax rate of 2.07%, making it one of the higher property tax states in the nation. On a median-valued home of $265,000, the typical annual property tax bill is $5,485. Homeowners may qualify for a homestead exemption, which can reduce the taxable value of a primary residence. General Homestead Exemption ($6,000-$10,000 depending on county). Senior citizens may qualify for additional exemptions or tax relief programs. If you believe your property is over-assessed, you have the right to appeal.
Assessment Method
Equalized Assessed Value (EAV) is 1/3 of market value; Cook County differs.
Homestead Exemption Details
General Homestead Exemption ($6,000-$10,000 depending on county).
Senior Exemption Details
Senior Citizens Homestead Exemption and Senior Freeze available.
How to Appeal Your Assessment
File with County Board of Review within 30 days of assessment notice.
What is the property tax rate in Illinois?
Illinois has an average effective property tax rate of 2.07%. On a home valued at $265,000, the typical annual property tax bill is approximately $5,485. Rates vary by county — Lake has the highest rates while Hardin has the lowest.
Does Illinois have a homestead exemption?
Yes. Illinois offers a homestead exemption for primary residences. General Homestead Exemption ($6,000-$10,000 depending on county).
How is property assessed in Illinois?
Illinois assesses property at 33.33%. Equalized Assessed Value (EAV) is 1/3 of market value; Cook County differs. The assessed value is then multiplied by the local mill rate to determine your property tax bill.
How do I appeal my property tax assessment in Illinois?
File with County Board of Review within 30 days of assessment notice.
Are there senior property tax exemptions in Illinois?
Yes. Illinois offers property tax relief for senior citizens. Senior Citizens Homestead Exemption and Senior Freeze available.
When are property taxes due in Illinois?
Illinois property taxes are paid on a Two installments: June 1 and Sept 1 (Cook County varies).. Contact your county tax collector for exact due dates and payment options for your area.
How does Illinois property tax compare to neighboring states?
Illinois's average effective rate of 2.07% is above the national average of approximately 1.1%. Use the comparison table above to see how neighboring states compare.
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Official Source
Illinois Tax Authority
Last verified: 2026-03-31 · Always confirm current rates before making real estate decisions.