Allamakee County, Iowa Property Taxes
Property Taxes in Allamakee County, Iowa
Median Allamakee County effective property tax rate: 1.28%, significantly higher than the national median of 1.02%.
Median Allamakee County home value: $158,200
Median annual Allamakee County tax bill: $2,120, $280 lower than the national median property tax bill of $2,400.
How are property taxes in Allamakee County calculated?
Property taxes in Allamakee 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 Allamakee County or another part of Allamakee County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Allamakee County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.28%
Estimate Property Tax Bill
$2,025
$1,879
How Does the Allamakee County Property Tax Calculator Work?
Use this Allamakee County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and the calculator applies Allamakee County's median effective tax rate of 1.28% to generate your estimate.
Enter your property's estimated assessed value — the figure used for tax purposes, which is typically lower than market value after applicable exemptions. The 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. Allamakee County's median tax rate is higher than the Iowa median tax rate of 1.55%, and the median tax bill of $2,120 is $280 lower than the state median tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Allamakee County.
Property Tax Rates Across Allamakee County, Iowa
What Are Effective Property Tax Rates Across Allamakee County?
Local government entities set tax rates, which vary widely across Allamakee 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 Allamakee County's effective property tax rate to other counties in Iowa or the U.S. median of 1.02%.
Allamakee County's median effective rate stands at 1.28%, which is higher than the national median of 1.02%. Within Allamakee County, the highest rate is found in Postville at 1.56%, while Dorchester has the lowest at 1.09%.
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 ÷ 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 AllamakeeCounty Tax Rate
1.28%
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 IowaTax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Allamakee County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Decorah | 0.86% | 1.03% | 1.09% | 1.11% | 1.30% |
| Dorchester | 0.92% | 1.04% | 1.09% | 1.28% | 1.44% |
| Harpers Ferry | 1.02% | 1.11% | 1.14% | 1.28% | 1.28% |
| Lansing | 1.06% | 1.15% | 1.21% | 1.70% | 1.78% |
| Luana | 0.74% | 1.01% | 1.09% | 1.17% | 1.44% |
| Monona | 1.01% | 1.08% | 1.15% | 1.23% | 1.42% |
| New Albin | 1.07% | 1.15% | 1.38% | 1.50% | 1.58% |
| Postville | 1.15% | 1.35% | 1.56% | 1.75% | 1.75% |
| Waterville | 0.99% | 1.08% | 1.15% | 1.44% | 1.73% |
| Waukon | 1.04% | 1.11% | 1.43% | 1.53% | 1.61% |
Source: Ownwell
Property Tax Assessment Values Across Allamakee County, Iowa
When examining property taxes in Allamakee 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 Allamakee 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 Allamakee County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of March.
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 Allamakee County.
For example, the median tax bill in Allamakee County is $2,120, with tax bills ranging significantly across the county. Monona has the highest median home price at $237,500.
Median Allamakee County Market Value
$158,200
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Allamakee County, Iowa
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Decorah | $51,750 | $66,550 | $157,500 | $211,025 | $304,250 |
| Dorchester | $45,240 | $109,150 | $201,000 | $299,500 | $425,340 |
| Harpers Ferry | $3,300 | $38,300 | $151,750 | $260,700 | $367,830 |
| Lansing | $18,270 | $89,975 | $164,400 | $259,675 | $369,200 |
| Luana | $74,910 | $141,350 | $208,250 | $298,350 | $413,340 |
| Monona | $64,640 | $158,100 | $237,500 | $339,800 | $429,360 |
| New Albin | $54,800 | $105,200 | $163,700 | $254,650 | $336,500 |
| Postville | $58,600 | $78,900 | $108,000 | $174,700 | $306,500 |
| Waterville | $35,940 | $79,950 | $178,700 | $281,000 | $388,740 |
| Waukon | $69,100 | $112,600 | $163,500 | $247,600 | $350,400 |
Source: Ownwell
Property Tax Bills Across Allamakee County, Iowa
Property tax bills in Allamakee County are based on the assessed value of a home, with local tax rates applied to determine the amount owed. The bill reflects both the market value of the property and the tax levies set by local governments, so two homes with similar prices can still receive different bills if their assessments or locations differ.
For a home with a median value of $158,200, property taxes can vary widely across the county. The median tax bill is $2,724 in Monona and $1,656 in Decorah, showing how location affects what homeowners pay. Across the county, the 25th percentile tax bill is $1,296, the 75th percentile is $3,189, and the 90th percentile reaches $4,522.
For homeowners, these taxes are a recurring cost that can significantly affect affordability. When assessments rise, tax bills often increase too, making it important to understand how local property taxes are calculated and how they compare with the value of the home.
Median Allamakee County Tax Bill
$2,120
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Allamakee County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Decorah | $544 | $880 | $1,656 | $2,367 | $3,377 |
| Dorchester | $550 | $1,145 | $2,192 | $3,538 | $4,961 |
| Harpers Ferry | $46 | $511 | $1,740 | $3,014 | $4,156 |
| Lansing | $364 | $1,264 | $2,298 | $3,552 | $4,937 |
| Luana | $789 | $1,568 | $2,251 | $3,100 | $4,858 |
| Monona | $800 | $1,758 | $2,724 | $4,058 | $5,420 |
| New Albin | $833 | $1,472 | $2,263 | $3,158 | $4,140 |
| Postville | $901 | $1,250 | $1,720 | $2,498 | $4,144 |
| Waterville | $466 | $1,041 | $1,986 | $3,355 | $4,531 |
| Waukon | $967 | $1,560 | $2,253 | $3,180 | $4,486 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 30 |
Links | |
|---|---|
| Allamakee Tax Assessor | |
| Website | beacon.schneidercorp.com |