Walworth County, Wisconsin Property Taxes
Property Taxes in Walworth County, Wisconsin
Median Walworth County effective property tax rate: 1.07%, significantly higher than the national median of 1.02%.
Median Walworth County home value: $333,161
Median annual Walworth County tax bill: $3,800, higher than the national median property tax bill of $2,400.
How are property taxes in Walworth County calculated?
Property taxes in Walworth County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Walworth County or another part of Walworth County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Walworth County, Wisconsin Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.07%
Estimate Property Tax Bill
$3,565
$3,308
How Does the Walworth County Property Tax Calculator Work?
Use this Walworth County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Walworth County's median effective tax rate of 1.07% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessment district assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property.
Walworth County's median property tax bill is $3,800, which is higher than the national median property tax bill of $2,400 and $1,400 below the state median. For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Walworth County.
Property Tax Rates Across Walworth County, Wisconsin
What Are Effective Property Tax Rates Across Walworth County?
Local government entities set tax rates, which vary widely across Walworth County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Walworth County's effective property tax rate to other counties in Wisconsin or the U.S. median of 1.02%.
Walworth County's median effective rate stands at 1.07%, which is higher than the national median of 1.02%. Within Walworth County, the highest rate is found in Sharon at 1.80%, while Fontana has the lowest at 0.77%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
Our median effective property tax rate (tax bill Ă· 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 Walworth County Tax Rate
1.07%
Our median effective property tax rate (tax bill Ă· 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 Wisconsin Tax Rate
1.43%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Walworth County, Wisconsin
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Burlington | 0.76% | 0.80% | 0.91% | 0.95% | 1.17% |
| Darien | 0.71% | 0.76% | 1.57% | 1.61% | 1.66% |
| Delavan | 0.89% | 1.08% | 1.18% | 1.37% | 1.41% |
| Eagle | 0.78% | 0.78% | 1.01% | 1.02% | 1.02% |
| East Troy | 1.00% | 1.02% | 1.07% | 1.29% | 1.30% |
| Elkhorn | 0.88% | 0.89% | 1.01% | 1.34% | 1.38% |
| Fontana | 0.74% | 0.76% | 0.77% | 0.77% | 0.78% |
| Genoa City | 1.13% | 1.24% | 1.36% | 1.56% | 1.66% |
| Lake Geneva | 0.73% | 0.86% | 1.09% | 1.18% | 1.20% |
| Mukwonago | 0.99% | 1.00% | 1.04% | 1.07% | 1.40% |
| Sharon | 1.23% | 1.43% | 1.80% | 1.86% | 1.96% |
| Walworth | 0.81% | 1.16% | 1.36% | 1.38% | 1.44% |
| Whitewater | 0.95% | 1.03% | 1.34% | 1.41% | 1.45% |
| Williams Bay | 0.83% | 0.84% | 0.86% | 0.86% | 0.87% |
| Clinton | N/A | N/A | N/A | N/A | N/A |
| Palmyra | N/A | N/A | N/A | N/A | N/A |
| Springfield | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Walworth County, Wisconsin
When examining property taxes in Walworth County, 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 Walworth 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 Walworth 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 Walworth County.
For example, the median tax bill in Walworth County is $3,800, with tax bills ranging significantly across the county. Fontana has the highest median home price at $570,134.
Property Tax Assessment Values Across Walworth County, Wisconsin
Source: Ownwell
$199,728
$384,931
$570,134
Median Walworth County Market Value
$333,161
Median Wisconsin Market Value
$237,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Walworth County, Wisconsin
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Burlington | $91,275 | $247,011 | $378,446 | $529,666 | $708,929 |
| Darien | $115,657 | $188,453 | $247,884 | $321,268 | $426,692 |
| Delavan | $125,099 | $196,278 | $278,349 | $389,633 | $583,927 |
| Eagle | $230,150 | $298,813 | $487,820 | $668,310 | $832,694 |
| East Troy | $213,257 | $281,381 | $370,891 | $526,048 | $779,283 |
| Elkhorn | $170,609 | $246,736 | $337,104 | $502,689 | $792,807 |
| Fontana | $90,970 | $302,838 | $570,134 | $856,530 | $1,302,796 |
| Genoa City | $142,558 | $186,672 | $247,542 | $305,984 | $416,634 |
| Lake Geneva | $126,258 | $232,264 | $358,984 | $588,864 | $1,026,092 |
| Mukwonago | $248,686 | $405,996 | $559,401 | $1,079,940 | $1,719,985 |
| Sharon | $123,512 | $157,718 | $199,728 | $254,760 | $366,919 |
| Walworth | $205,837 | $248,879 | $332,115 | $413,492 | $560,038 |
| Whitewater | $167,965 | $213,688 | $284,560 | $419,392 | $686,501 |
| Williams Bay | $238,570 | $354,660 | $516,993 | $695,781 | $1,121,887 |
| Clinton | N/A | N/A | N/A | N/A | N/A |
| Palmyra | N/A | N/A | N/A | N/A | N/A |
| Springfield | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Walworth County, Wisconsin
Property tax bills in Walworth County are based on a home’s assessed value and the local tax rate set by taxing jurisdictions such as schools, municipalities, and other local services. When a home’s market value changes, its assessed value may also change, which can affect the final bill. For a home with a median price of $333,161, the tax bill can vary widely depending on where the property is located and how it is assessed.
In Walworth County, the 25th percentile tax bill is $2,677, the 75th percentile is $5,374, and the 90th percentile is $8,150. The highest median tax bill is $6,626 in Mukwonago, while the lowest median tax bill is $3,246 in Darien. These differences show how location and local levies can significantly change what homeowners pay. Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, many homeowners in the county face higher-than-average property tax costs.
Median Walworth County Tax Bill
$3,800
Median Wisconsin Tax Bill
$3,453
Median United States Tax Bill
$2,400
Property Tax Bills Across Walworth County, Wisconsin
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Burlington | $969 | $2,304 | $3,478 | $4,846 | $6,441 |
| Darien | $1,498 | $2,186 | $3,246 | $4,223 | $4,943 |
| Delavan | $1,458 | $2,292 | $3,349 | $4,558 | $6,333 |
| Eagle | $2,100 | $2,633 | $4,143 | $5,681 | $8,051 |
| East Troy | $2,423 | $3,291 | $4,312 | $5,744 | $8,265 |
| Elkhorn | $1,844 | $2,767 | $3,890 | $5,365 | $7,726 |
| Fontana | $950 | $3,077 | $4,692 | $6,865 | $10,774 |
| Genoa City | $1,936 | $2,599 | $3,412 | $4,432 | $5,751 |
| Lake Geneva | $1,493 | $2,501 | $3,783 | $5,936 | $10,056 |
| Mukwonago | $2,468 | $4,380 | $6,626 | $11,273 | $18,130 |
| Sharon | $2,221 | $2,699 | $3,382 | $4,255 | $5,412 |
| Walworth | $2,642 | $3,309 | $4,208 | $5,100 | $6,167 |
| Whitewater | $2,263 | $2,840 | $3,650 | $4,992 | $7,294 |
| Williams Bay | $2,038 | $3,044 | $4,430 | $5,968 | $9,734 |
| Clinton | N/A | N/A | N/A | N/A | N/A |
| Palmyra | N/A | N/A | N/A | N/A | N/A |
| Springfield | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | May 14 |
Links | |
|---|---|
| Walworth Tax Assessor | |
| Website | ascent.co.walworth.wi.us |