Monona County, Iowa Property Taxes
Property Taxes in Monona County, Iowa
Median Monona County effective property tax rate: 1.36%, significantly higher than the national median of 1.02%.
Median Monona County home value: $70,064
Median annual Monona County tax bill: $908, $1,492 lower than the national median property tax bill of $2,400.
How are property taxes in Monona County calculated?
Property taxes in Monona 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 Monona County or another part of Monona County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Monona County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.36%
Estimate Property Tax Bill
$953
$884
How Does the Monona County Property Tax Calculator Work?
Use this Monona County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Monona County's median effective tax rate of 1.36% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal 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. Monona County's median effective tax rate is higher than the Iowa state median tax rate of 1.55%, and the county's median tax bill is $908, compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Monona County.
Property Tax Rates Across Monona County, Iowa
What Are Effective Property Tax Rates Across Monona County?
Local government entities set tax rates, which vary widely across Monona 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 Monona County's effective property tax rate to other counties in Iowa or the U.S. median of 1.02%.
Monona County's median effective rate stands at 1.36%, which is higher than the national median of 1.02%. Within Monona County, the highest rate is found in UTE at 1.48%, while SLOAN has the lowest at 0.99%.
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 Monona County Tax Rate
1.36%
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 Iowa Tax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Monona County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Blencoe | 1.05% | 1.15% | 1.38% | 1.39% | 1.45% |
| Dunlap | 1.04% | 1.06% | 1.28% | 1.57% | 1.65% |
| Mapleton | 0.95% | 1.15% | 1.44% | 1.51% | 1.51% |
| Moorhead | 0.97% | 1.03% | 1.24% | 1.57% | 1.58% |
| Onawa | 1.01% | 1.13% | 1.46% | 1.48% | 1.48% |
| Sloan | 0.93% | 0.96% | 0.99% | 1.16% | 1.46% |
| Soldier | 0.92% | 0.98% | 1.34% | 1.57% | 1.58% |
| Turin | 0.96% | 1.04% | 1.20% | 1.30% | 1.54% |
| Ute | 0.96% | 1.16% | 1.48% | 1.48% | 1.51% |
| Whiting | 0.96% | 1.06% | 1.31% | 1.39% | 1.40% |
| Castana | N/A | N/A | N/A | N/A | N/A |
| Danbury | N/A | N/A | N/A | N/A | N/A |
| Hornick | N/A | N/A | N/A | N/A | N/A |
| Little Sioux | N/A | N/A | N/A | N/A | N/A |
| Rodney | N/A | N/A | N/A | N/A | N/A |
| Smithland | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Monona County, Iowa
When examining property taxes in Monona 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 Monona 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 Monona 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 Monona County.
For example, the median tax bill in Monona County is $908, with tax bills ranging significantly across the county. Sloan has the highest median home price at $136,167.
Median Monona County Market Value
$70,064
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Monona County, Iowa
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Blencoe | $1,665 | $6,889 | $59,622 | $128,210 | $238,125 |
| Dunlap | $12,043 | $72,554 | $129,666 | $240,014 | $353,509 |
| Mapleton | $4,815 | $37,809 | $92,244 | $157,397 | $252,268 |
| Moorhead | $4,014 | $30,502 | $73,749 | $152,032 | $227,565 |
| Onawa | $5,633 | $22,448 | $74,665 | $136,084 | $227,864 |
| Sloan | $15,312 | $74,115 | $136,167 | $218,405 | $354,876 |
| Soldier | $2,720 | $20,753 | $58,851 | $123,784 | $169,011 |
| Turin | $3,770 | $30,299 | $77,082 | $162,637 | $233,847 |
| Ute | $3,128 | $17,233 | $53,235 | $98,786 | $159,441 |
| Whiting | $2,827 | $29,453 | $94,382 | $167,160 | $276,999 |
| Castana | N/A | N/A | N/A | N/A | N/A |
| Danbury | N/A | N/A | N/A | N/A | N/A |
| Hornick | N/A | N/A | N/A | N/A | N/A |
| Little Sioux | N/A | N/A | N/A | N/A | N/A |
| Rodney | N/A | N/A | N/A | N/A | N/A |
| Smithland | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Monona County, Iowa
Property tax bills in Monona County are based on the assessed value of a home and the local tax rates set by taxing authorities. The bill is calculated by applying those rates to the property’s taxable value, so homes with higher assessed values generally owe more. Factors such as location, local school funding, county services, and other public levies all influence the final amount.
For many homeowners, the median home price is $70,064, and the typical tax burden can vary widely across the county. The 25th percentile tax bill is $248, while the 75th percentile reaches $1,778 and the 90th percentile climbs to $2,866. That range shows how much a property’s assessment and local tax rates can affect the bill.
Median tax bills also differ by city, from $676 in Ute to $1,908 in Dunlap. These differences can significantly impact monthly housing costs and long-term affordability for homeowners.
Median Monona County Tax Bill
$908
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Monona County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Blencoe | $24 | $100 | $748 | $1,514 | $2,976 |
| Dunlap | $175 | $1,012 | $1,908 | $3,290 | $3,977 |
| Mapleton | $72 | $512 | $1,224 | $2,030 | $3,066 |
| Moorhead | $60 | $464 | $958 | $1,776 | $2,876 |
| Onawa | $71 | $260 | $948 | $1,816 | $3,002 |
| Sloan | $150 | $639 | $1,568 | $2,726 | $3,522 |
| Soldier | $42 | $262 | $716 | $1,488 | $2,077 |
| Turin | $61 | $381 | $864 | $1,870 | $2,616 |
| Ute | $46 | $200 | $676 | $1,276 | $1,974 |
| Whiting | $98 | $408 | $1,174 | $2,076 | $3,425 |
| Castana | N/A | N/A | N/A | N/A | N/A |
| Danbury | N/A | N/A | N/A | N/A | N/A |
| Hornick | N/A | N/A | N/A | N/A | N/A |
| Little Sioux | N/A | N/A | N/A | N/A | N/A |
| Rodney | N/A | N/A | N/A | N/A | N/A |
| Smithland | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 30 |
Links | |
|---|---|
| Monona Tax Assessor | |
| Website | monona.iowaassessors.com |