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Northlake, Cook County, Illinois Property Taxes

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Property Taxes in Northlake, Illinois

  • Median Northlake, Illinois effective property tax rate: 2.90%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.

  • Median Northlake, Illinois home value: $218,525

  • Median annual Northlake, Illinois tax bill: $6,078, $3,678 higher than the national median property tax bill of $2,400.

How are property taxes in Cook calculated?

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

Last Updated April 13, 2026

Northlake, Cook County, Illinois Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.9%

Estimate Property Tax Bill

$6,337

$5,881

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Northlake Property Tax Calculator Work?

Use this Northlake property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Northlake's median effective tax rate of 2.90% — 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 Northlake's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Northlake's bill is higher than the Illinois median tax rate of 2.33% and higher than the national median property tax rate of 1.02%, with a median property tax bill of $6,078. By ZIP code, rates are the same at 60164, where both the highest and lowest median tax bill are $6,078.

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

About Northlake Property Taxes

About Property Taxes in Northlake, Cook, Illinois

Northlake’s median effective property tax rate of 2.90% is higher 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 taxing districts that shape the final bill.

Property tax rates are not uniform across Northlake. Homeowners in the 60164 ZIP code carry a median effective rate of 2.90%, while those in the same ZIP code also pay 2.90%. That means there is no spread across the city in the data provided, but the tax burden is still well above the national median property tax bill of $2,400.

Northlake 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 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 Northlake, 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 Northlake'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 Northlake, 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 Northlake Tax Rate

2.90%

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 Northlake, Cook County, Illinois

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
601641.63%2.58%2.90%3.26%3.43%

Source: Ownwell

Property Tax Assessment Values Across Northlake, Cook County, Illinois

When examining property taxes in Northlake, 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 assessor 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, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Northlake.

For example, the median home price in Northlake is $218,525, with tax bills ranging significantly across the county. 60164 has the highest median home price at $218,525.

Property Tax Assessment Values Across Northlake, Cook County, Illinois

Source: Ownwell

$28,470

$625,355

$1,222,240

Median Northlake Market Value

$218,525

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 Northlake, Cook County, Illinois

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
60164$77,526$190,000$218,525$240,000$260,000

Source: Ownwell

Property Tax Bills Across Northlake, Cook County, Illinois

Property tax bills in Northlake are based on the assessed value of a home, not its market price alone, and the local tax rate applied by Cook County. For a home with a median value of $218,525, the bill can vary widely depending on the assessment and local levies. In Northlake, the 25th percentile tax bill is $4,452, the 75th percentile is $7,067, and the 90th percentile is $7,904. The median tax bill is $6,078 in ZIP code 60164, which is well above the national median property tax bill of $2,400. That means many homeowners here pay more than the typical U.S. homeowner.

These higher bills can put pressure on monthly budgets and long-term housing costs. Ownwell helps homeowners save by reviewing their assessment, identifying opportunities for a property tax appeal, and checking for exemptions that may lower the bill. If your home has been overassessed, Ownwell can help reduce what you owe and keep more money in your pocket.

Property Tax Bills Across Northlake, Cook County, Illinois

Source: Ownwell

$634

$15,281

$29,928

Median Northlake Tax Bill

$6,078

Median Cook County Tax Bill

$5,588

Median Illinois Tax Bill

$5,277

Median United States Tax Bill

$2,400

Property Tax Bills Across Northlake, Cook County, Illinois

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
60164$1,864$4,452$6,078$7,067$7,904

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Northlake, Illinois

How are property taxes calculated in Northlake, Illinois?
Property taxes in Northlake, 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 Northlake, Illinois?
To appeal your property taxes in Northlake, 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 Northlake, Illinois?
Common property tax exemptions in Northlake, 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 Northlake, Illinois?
Property tax deadlines in Northlake, 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 Northlake, Illinois?
Ownwell provides professional property tax appeal services in Northlake, 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.