Winnebago, Winnebago County, Illinois Property Taxes
Property Taxes in Winnebago, Illinois
Median Winnebago, Illinois effective property tax rate: 2.48%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Winnebago, Illinois home value: $205,053
Median annual Winnebago, Illinois tax bill: $5,055, $2,655 higher than the national median property tax bill of $2,400.
How are property taxes in Winnebago calculated?
Property taxes in Winnebago, 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 Winnebago's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Winnebago, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Winnebago, Winnebago County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.48%
Estimate Property Tax Bill
$5,085
$4,719
How Does the Winnebago Property Tax Calculator Work?
Use this Winnebago property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Winnebago's median effective tax rate of 2.48% — based on actual property records in Winnebago County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Winnebago'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 Winnebago: rates range from 2.48% in 61088 to 2.48% in 61088, 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 Winnebago.
About Winnebago Property Taxes
About Property Taxes in Winnebago, Winnebago, Illinois
Winnebago's median effective property tax rate of 2.48% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Winnebago County base levy combined with local school district levies and special service areas that vary by subdivision throughout the city.
Property tax rates are not uniform across Winnebago. Homeowners in the 61088 ZIP code carry a median effective rate of 2.48%, while those in the same ZIP code pay 2.48%. This spread reflects how school district boundaries and local assessment districts are drawn across Winnebago County. Understanding which part of Winnebago you live in can make a meaningful difference to your annual tax bill.
Winnebago homeowners who believe their assessed value is too high can file a formal appeal with the 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 Winnebago, Winnebago 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 Winnebago'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 Winnebago Tax Rate
2.48%
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 Winnebago County Tax Rate
2.49%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Winnebago, Winnebago County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61088 | 2.05% | 2.20% | 2.48% | 2.70% | 2.80% |
Source: Ownwell
Property Tax Assessment Values Across Winnebago, Winnebago County, Illinois
When examining property taxes in Winnebago, 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 Winnebago 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 Winnebago County, assessment notices are sent in July each year. They'll typically reach your mailbox by the middle of July.
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 Winnebago is $205,053, with tax bills ranging significantly across the county. Zip code 61088 has the highest median home price at $205,053.
Property Tax Assessment Values Across Winnebago, Winnebago County, Illinois
Source: Ownwell
$3,897
$148,167
$292,437
Median Winnebago Market Value
$205,053
Median Winnebago County Market Value
$151,126
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Winnebago, Winnebago County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61088 | $117,332 | $163,716 | $205,053 | $249,564 | $311,141 |
Source: Ownwell
Property Tax Bills Across Winnebago, Winnebago County, Illinois
Property tax bills in Winnebago are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the tax rate to that assessed value to determine the annual bill, and the final amount can vary depending on exemptions, levies, and other local factors. For homeowners, this means two similar homes can receive different tax bills if their assessed values or tax settings differ.
With a median home price of $205,053, property taxes can be a major part of homeownership costs. The median tax bill in the area is $5,055, which is higher than the national median property tax bill of $2,400 and above the national median property tax rate of 1.02%. Bills also vary widely across the county, with the 25th percentile at $4,057 and the 75th percentile at $6,242. At the high end, the 90th percentile reaches $7,774.
Median Winnebago Tax Bill
$5,055
Median Winnebago County Tax Bill
$3,565
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Winnebago, Winnebago County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61088 | $3,090 | $4,057 | $5,055 | $6,242 | $7,774 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Winnebago Tax Assessor | |
| Website | taxes.wincoil.gov |