Spencer, Marathon County, Wisconsin Property Taxes
Median Spencer, WI effective property tax rate: 1.59%, significantly higher than the national median of 1.02%, but slightly higher than the Wisconsin state median of 1.58%.
Median Spencer, WI home value: $141,707
Median annual Spencer, WI tax bill: $2,245, $155 lower than the national median property tax bill of $2,400.
How are property taxes in Marathon calculated?
Property taxes in Spencer, WI 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 Spencer’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Spencer, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Spencer, Marathon County, Wisconsin Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.59%
Estimate Property Tax Bill
$2,253
$2,091
Property Tax Rates Across Spencer, Marathon County, Wisconsin
Local government entities set tax rates, which can vary widely within a state. Each county estimates its required budget to provide essential 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.
Spencer, located in Marathon County, Wisconsin, showcases an effective property tax rate of 1.59%, which is consistent with the county's rate. This is higher than the national median property tax rate of 1.02%. The median property tax rate in Wisconsin is 1.59%, placing it above the national average. This means that homeowners in Spencer may face higher property tax bills compared to other regions in the country. Understanding these rates can help homeowners make informed decisions about property investments and budgeting for annual tax expenses. Comparing Spencer’s effective property tax rate to other cities in Wisconsin and the median property tax rates in the state and the U.S. provides valuable insights into the local tax landscape.
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 Spencer Tax Rate
1.59%
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 Marathon County Tax Rate
1.64%
Median Effective Wisconsin Tax Rate
1.58%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Spencer, Marathon County, Wisconsin
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
54479 | 1.31% | 1.36% | 1.59% | 1.68% | 1.83% |
Source: Ownwell
Property Tax Assessment Values Across Spencer, Marathon County, Wisconsin
When examining property taxes in Spencer, WI, 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 Marathon 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 Marathon County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Spencer. For example, the median home price in Spencer is $141,707, with tax bills ranging significantly across the county. Zip code 54479 has the highest median home price at $141,707.
Property Tax Assessment Values Across Spencer, Marathon County, Wisconsin
Source: Ownwell

$15,598
$132,757
$249,915
Median Spencer Market Value
$141,707
Median Marathon County Market Value
$164,200
Median Wisconsin Market Value
$200,300
Median United States Market Value
$235,294
Property Tax Assessment Values Across Spencer, Marathon County, Wisconsin
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
54479 | $12,508 | $99,746 | $141,707 | $199,112 | $265,113 |
Source: Ownwell
Property Tax Bills Across Spencer, Marathon County, Wisconsin
In Spencer, Marathon County, WI, property tax bills are calculated based on the assessed value of a home, which is determined by the local assessor. The assessed value is then multiplied by the local tax rate to determine the property tax bill. Factors such as local government budgets, school funding, and public services influence the tax rate, impacting how much homeowners pay annually. In Spencer, the median property tax bill is $2,245, which is slightly below the national median of $2,400. However, depending on the property's value and location, tax bills can vary significantly, ranging from $1,546 at the 25th percentile to $3,854 at the 90th percentile.
Homeowners often find navigating these assessments and tax rates challenging, which is where Ownwell can help. Ownwell provides professional property tax appeal services, identifying opportunities for homeowners to reduce their tax bills. By analyzing market values and ensuring assessments are fair, Ownwell empowers homeowners to potentially save hundreds or even thousands of dollars annually on their property taxes.
Median Spencer Tax Bill
$2,245
Median Marathon County Tax Bill
$2,706
Median Wisconsin Tax Bill
$3,346
Median United States Tax Bill
$2,400
Property Tax Bills Across Spencer, Marathon County, Wisconsin
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
54479 | $224 | $1,546 | $2,245 | $3,090 | $3,854 |
Source: Ownwell