Delong, Knox County, Illinois Property Taxes
Property Taxes in Delong, Illinois
Median Delong, Illinois effective property tax rate: 2.57%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Delong, Illinois home value: $78,900
Median annual Delong, Illinois tax bill: $2,026, $374 lower than the national median property tax bill of $2,400.
How are property taxes in Knox calculated?
Property taxes in Delong, 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 Delong's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Delong, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Delong, Knox County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.57%
Estimate Property Tax Bill
$2,028
$1,882
How Does the Delong Property Tax Calculator Work?
Use this Delong property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Delong's median effective tax rate of 2.57% — based on actual property records in Knox 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 Delong'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 Delong: rates range from 2.57% in 61436 to 2.57% in 61436, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Delong.
About Delong Property Taxes
About Property Taxes in Delong, Knox, Illinois
Delong's median effective property tax rate of 2.57% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Knox County base levy combined with local school district levies and Special service areas (SSAs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Delong. Homeowners in the highest ZIP code carry a median effective rate of 2.57%, while those in the lowest pay 2.57%. This spread reflects how school district boundaries and local assessment districts are drawn across Knox County. Understanding which part of Delong you live in can make a meaningful difference to your annual tax bill.
Delong homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 1, 2026 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 Delong, Knox 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 Delong's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.
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 DelongTax Rate
2.57%
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 KnoxCounty Tax Rate
2.82%
Median Effective IllinoisTax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Delong, Knox County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61436 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Delong, Knox County, Illinois
When examining property taxes in Delong, 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 Knox County appraisal district 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 Knox County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Delong.
For example, the median home price in Delong is $78,900, with tax bills ranging significantly across the county. The median property tax bill is $2,026, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Property Tax Assessment Values Across Delong, Knox County, Illinois
Source: Ownwell
$40,530
$174,788
$309,045
Median Delong Market Value
$78,900
Median Knox County Market Value
$93,540
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Delong, Knox County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61436 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Delong, Knox County, Illinois
How are property tax bills calculated in Delong?
Property tax bills in Delong are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s assessed value rises, the tax bill can increase as well, while a lower assessment can reduce what a homeowner owes. The amount due is also shaped by local budgets and the mix of services funded by property taxes.
For homeowners in Delong, the median home price is $78,900, and tax bills can vary widely. The 25th percentile tax bill is $1,043, while the 75th percentile reaches $3,009. At the 90th percentile, the tax bill is $3,599. That range shows how much a property’s assessed value and local tax rates can affect annual costs.
Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, Delong homeowners may see bills that are lower or higher depending on their property and assessment.
Median Delong Tax Bill
$2,026
Median Knox County Tax Bill
$2,355
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Delong, Knox County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61436 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Knox Tax Assessor | |
| Website | knoxil.devnetwedge.com |