Stillman Valley, Winnebago County, Illinois Property Taxes
Median Stillman Valley, IL effective property tax rate: 2.48%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Stillman Valley, IL home value: $230,478
Median annual Stillman Valley, IL tax bill: $5,228, $2,828 higher than the national median property tax bill of $2,400.
How are property taxes in Winnebago calculated?
Property taxes in Stillman Valley, IL 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 Stillman Valley’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Stillman Valley, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Stillman Valley, 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
$5,716
$5,304
Ownwell’s Stillman Valley Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Stillman Valley with just two data points.
By entering your property's estimated assessed value, our calculator applies Stillman Valley’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Winnebago County.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Stillman Valley, Winnebago County, Illinois
Local government entities set tax rates, which can vary widely within a state. This is 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, resulting 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.
In Stillman Valley, located in Winnebago County, IL, the effective property tax rate holds its ground as one of the highest in the state, standing at 2.48%. This is significantly above the national median property tax rate of 1.02%. Despite this high rate, the consistency across the region is notable, as Stillman Valley shares the same tax rate with other areas within the county. For homeowners, this means higher property tax bills compared to the national median bill of $2,400. As you consider property investments or appeals, understanding these rates and how they compare to state and national medians can be crucial in making informed decisions.
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 Stillman Valley 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
2.78%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Stillman Valley, Winnebago County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61084 | 1.45% | 2.37% | 2.48% | 2.57% | 2.60% |
Source: Ownwell
Property Tax Assessment Values Across Stillman Valley, Winnebago County, Illinois
When examining property taxes in Stillman Valley, IL, 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 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.
In Winnebago 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 Stillman Valley. For example, the median home price in Stillman Valley is $230,478, with tax bills ranging significantly across the county. 61084 has the highest median home price at $230,478.
Property Tax Assessment Values Across Stillman Valley, Winnebago County, Illinois
Source: Ownwell

$48,324
$139,401
$230,478
Median Stillman Valley Market Value
$230,478
Median Winnebago County Market Value
$119,208
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Stillman Valley, Winnebago County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61084 | $158,916 | $173,724 | $230,478 | $284,820 | $316,830 |
Source: Ownwell
Property Tax Bills Across Stillman Valley, Winnebago County, Illinois
Property Tax Bills Across Stillman Valley, Winnebago County, Illinois
Source: Ownwell

$1,249
$4,034
$6,818
Median Stillman Valley Tax Bill
$5,228
Median Winnebago County Tax Bill
$3,116
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Stillman Valley, Winnebago County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61084 | $2,858 | $3,674 | $5,228 | $6,803 | $8,152 |
Source: Ownwell