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Winnetka, Cook County, Illinois Property Taxes

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Property Taxes in Winnetka, Illinois

  • Median Winnetka, Illinois effective property tax rate: 2.26%, significantly higher than the national median of 1.02%, and lower than the Illinois state median of 2.33%.

  • Median Winnetka, Illinois home value: $1,097,070

  • Median annual Winnetka, Illinois tax bill: $24,731, $22,331 higher than the national median property tax bill of $2,400.

How are property taxes in Cook calculated?

Property taxes in Winnetka, Illinois are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Winnetka's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Winnetka, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Winnetka, Cook County, Illinois Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.26%

Estimate Property Tax Bill

$24,794

$23,008

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Winnetka Property Tax Calculator Work?

Use this Winnetka property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Winnetka's median effective tax rate of 2.26% — based on actual property records in Cook County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Winnetka's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Winnetka: rates range from 2.26% in 60093 to 2.26% in 60093, primarily due to differences in school district levies and local assessment districts.

If your estimate is higher than expected, Ownwell can appeal your Winnetka assessment — you only pay if we save you money.

About Winnetka Property Taxes

About Property Taxes in Winnetka, Cook, Illinois

Winnetka’s median effective property tax rate of 2.26% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Cook County levy combined with local school district levies and other local charges that shape property taxes across the village.

Property tax rates are not uniform across Winnetka. Homeowners in the 60093 ZIP code carry a median effective rate of 2.26%, while the same ZIP also reflects the village’s highest and lowest median tax figures. That consistency shows how closely property tax bills can track local assessment patterns within Cook County.

Winnetka homeowners who believe their assessed value is too high can file a formal appeal with the Cook County Assessor’s Office before the deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Winnetka, Cook County, Illinois

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Winnetka's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.

Property Tax Rates Across Winnetka, Cook County, Illinois

Source: Ownwell

1.11%

5.02%

8.93%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Winnetka Tax Rate

2.26%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Cook County Tax Rate

2.14%

Median Effective Illinois Tax Rate

2.33%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Winnetka, Cook County, Illinois

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
600932.06%2.21%2.26%2.32%2.42%

Source: Ownwell

Property Tax Assessment Values Across Winnetka, Cook County, Illinois

When examining property taxes in Winnetka, Illinois, understanding the distinction between market value and assessed value is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Cook County assessment process estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices in Cook County are sent in the spring each year and typically reach your mailbox by the middle of the season. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill.

For example, the median home price in Winnetka is $1,097,070, with tax bills ranging significantly across the county. ZIP code 60093 has the highest median home price at $1,097,070. The median tax bill is $24,731, far above the national median property tax bill of $2,400.

Property Tax Assessment Values Across Winnetka, Cook County, Illinois

Source: Ownwell

$28,470

$625,355

$1,222,240

Median Winnetka Market Value

$1,097,070

Median Cook County Market Value

$248,820

Median Illinois Market Value

$227,888

Median United States Market Value

$235,294

Property Tax Assessment Values Across Winnetka, Cook County, Illinois

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
60093$533,790$789,905$1,097,070$1,548,720$2,274,570

Source: Ownwell

Property Tax Bills Across Winnetka, Cook County, Illinois

Property tax bills in Winnetka are based on the assessed value of a home and the local tax rate set by Cook County and other taxing bodies. When a home’s market value rises, its assessed value can increase too, which may lead to a higher tax bill. For Winnetka homeowners, that matters because the median home price is $1,097,070, and property tax bills are often substantial compared with the national median property tax bill of $2,400.

The typical tax burden in Winnetka is much higher than the national norm, with the 25th percentile tax bill at $17,431, the 75th percentile at $34,541, and the 90th percentile at $50,943. The highest and lowest median tax bill in the area is $24,731 in ZIP code 60093. Ownwell can help homeowners review their assessed value, identify potential savings, and appeal unfair property tax bills to reduce what they owe.

Property Tax Bills Across Winnetka, Cook County, Illinois

Source: Ownwell

$634

$15,281

$29,928

Median Winnetka Tax Bill

$24,731

Median Cook County Tax Bill

$5,588

Median Illinois Tax Bill

$5,277

Median United States Tax Bill

$2,400

Property Tax Bills Across Winnetka, Cook County, Illinois

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
60093$11,235$17,431$24,731$34,541$50,943

Source: Ownwell

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Frequently Asked Property Tax Questions in Winnetka, Illinois

How are property taxes calculated in Winnetka, Illinois?
Property taxes in Winnetka, Illinois are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Winnetka, Illinois?
To appeal your property taxes in Winnetka, Illinois, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Winnetka, Illinois?
Common property tax exemptions in Winnetka, Illinois include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Winnetka, Illinois?
Property tax deadlines in Winnetka, Illinois vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Winnetka, Illinois?
Ownwell provides professional property tax appeal services in Winnetka, Illinois. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.