Alton, Plymouth County, Iowa Property Taxes
Median Alton, Iowa effective property tax rate: 0.81%, significantly lower than the national median of 1.02%, but lower than the Iowa state median of 1.54%.
Median Alton, Iowa home value: $328,615
Median annual Alton, Iowa tax bill: $3,270, $870 higher than the national median property tax bill of $2,400.
How are property taxes in Plymouth calculated?
Property taxes in Alton, Iowa 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 Alton’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Alton, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Alton, Plymouth County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.81%
Estimate Property Tax Bill
$2,662
$2,470
Property Tax Rates Across Alton, Plymouth County, Iowa
Local government entities set tax rates, which can vary widely within a state. This is because each county annually estimates its required budget to provide services and divides it by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While votes and laws play a role in setting tax rates and budgets, this is essentially the annual process.
In Alton, located in Plymouth County, IA, property tax rates reflect this method. Comparing Alton’s effective property tax rate to other cities in Iowa, you can see how local needs and property values influence the tax rate. Iowa's median property tax rate is notably lower than the national median, offering residents a more favorable tax environment. The national median property tax rate is 1.02%, with a median bill of $2,400, while Iowa’s median rate is 0.81%. This comparison highlights the potential savings for property owners in Alton and across Iowa. Understanding these differences is crucial for property owners looking to manage their tax liabilities effectively.
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 Alton Tax Rate
0.81%
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 Plymouth County Tax Rate
1.13%
Median Effective Iowa Tax Rate
1.54%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Alton, Plymouth County, Iowa
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
51003 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Alton, Plymouth County, Iowa
When examining property taxes in Alton, Iowa, 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 Plymouth 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 Plymouth 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 Alton. For example, the median home price in Alton is $328,615, with tax bills ranging significantly across the county.
Property Tax Assessment Values Across Alton, Plymouth County, Iowa
Source: Ownwell

$124,210
$242,833
$361,455
Median Alton Market Value
$328,615
Median Plymouth County Market Value
$198,050
Median Iowa Market Value
$167,100
Median United States Market Value
$235,294
Property Tax Assessment Values Across Alton, Plymouth County, Iowa
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
51003 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Alton, Plymouth County, Iowa
In Alton, located in Plymouth County, Iowa, property tax bills are calculated based on the assessed value of a home, which is determined by local assessors. This assessed value is then multiplied by the local tax rate to determine the annual tax bill. For homeowners in Alton, the median property tax bill stands significantly higher than the national median, reflecting the area's property values and tax rates. At the 25th percentile, homeowners face a tax bill of $2,958, while those at the 75th percentile pay approximately $3,790. The 90th percentile sees bills as high as $4,727, indicating a considerable range based on property value and location within the county.
These taxes can pose a financial burden, especially if the property's assessed value is higher than its market value. Ownwell assists homeowners by providing professional property tax appeal services to ensure that taxes are fair and equitable. By analyzing local market trends and comparable property values, Ownwell can help homeowners potentially reduce their tax bills, offering relief and savings.
Median Alton Tax Bill
$3,270
Median Plymouth County Tax Bill
$2,246
Median Iowa Tax Bill
$2,508
Median United States Tax Bill
$2,400
Property Tax Bills Across Alton, Plymouth County, Iowa
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
51003 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell