Decatur County, Iowa Property Taxes

Name: Property Tax Bills Across Decatur County, Iowa
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Decatur County effective property tax rate: 1.59%, significantly higher than the national median of 1.02%.
Median Decatur County home value: $57,520
Median annual Decatur County tax bill: $928, $1,472 lower than the national median property tax bill of $2,400.

How are property taxes in Decatur County calculated?

Property taxes in Decatur 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 Lamoni or another part of Decatur County, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Decatur County, Iowa Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.59%

Estimate Property Tax Bill

$915

$849

Ownwell’s Decatur County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Decatur County with just two data points. By entering your property's estimated assessed value, our calculator applies Decatur County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Decatur County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Decatur County, Iowa

Local government entities set tax rates, which can vary widely within a state. This variation occurs because each county annually estimates its required budget to provide services and divides that 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 the annual process in a nutshell.

In Decatur County, Iowa, the effective property tax rate stands out compared to other counties in the state and the national median property tax rate of 1.02%. For instance, Decatur's median tax rate is 1.59%, which is considerably higher than the national median. Within Decatur County, tax rates can also vary; Lamoni has the highest median tax rate at 1.99%, while Humeston has the lowest at 1.12%. These variations highlight the importance of understanding local tax policies and how they can impact property owners. By comparing Decatur County's tax rate to the national median, property owners can gain insight into how their tax obligations measure up on a broader scale.

Property Tax Rates Across Decatur County, Iowa

Source: Ownwell

1.12%

1.55%

1.99%

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 Decatur County Tax Rate

1.59%

Median Effective Iowa Tax Rate

1.54%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Decatur County, Iowa

City	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
Davis City	0.45%	0.85%	1.40%	1.94%	2.85%
Decatur	0.64%	1.03%	1.38%	1.77%	2.33%
Garden Grove	0.62%	0.98%	1.41%	1.83%	2.57%
Grand River	0.58%	0.87%	1.29%	1.76%	2.26%
Humeston	0.72%	0.81%	1.12%	1.66%	1.75%
Lamoni	1.07%	1.49%	1.99%	2.41%	2.89%
Leon	0.75%	1.15%	1.63%	2.14%	2.80%
Lineville	0.70%	0.94%	1.36%	1.59%	2.05%
Van Wert	0.67%	0.94%	1.42%	2.04%	3.14%
Weldon	0.54%	0.82%	1.18%	1.64%	2.15%
Kellerton	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Decatur County, Iowa

When examining property taxes in Decatur 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 Decatur 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 Decatur 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 Decatur County. For example, the median tax bill in Decatur County is $1,624, with tax bills ranging significantly across the county. Humeston has the highest median home price at $114,172.

Property Tax Assessment Values Across Decatur County, Iowa

Source: Ownwell

$24,310

$69,241

$114,172

Median Decatur County Market Value

$57,520

Median Iowa Market Value

$167,100

Median United States Market Value

$235,294

Property Tax Assessment Values Across Decatur County, Iowa

City	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
Davis City	$1,631	$4,190	$24,310	$77,969	$157,671
Decatur	$3,180	$11,720	$49,526	$106,158	$193,376
Garden Grove	$1,900	$5,954	$35,285	$103,018	$199,001
Grand River	$2,500	$18,899	$46,392	$86,738	$141,485
Humeston	$2,431	$57,951	$114,172	$163,358	$204,930
Lamoni	$6,324	$28,152	$79,494	$133,441	$192,351
Leon	$3,380	$17,874	$61,525	$111,220	$189,140
Lineville	$20,767	$65,911	$113,866	$173,026	$289,959
Van Wert	$1,958	$8,080	$45,720	$92,770	$154,230
Weldon	$2,210	$6,275	$51,559	$116,342	$198,805
Kellerton	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Decatur County, Iowa

In Decatur County, IA, property tax bills are calculated based on the assessed value of a home, which is determined by local assessors. The tax rate is then applied to this assessed value to establish the annual property tax bill. Various factors influence this calculation, including the property's location, size, and any applicable exemptions. For instance, in Decatur County, the median home price is $57,520. Homeowners in this region face a range of property tax bills, with the 25th percentile at $230 and the 75th percentile at $1,876. The 90th percentile tax bill reaches $2,928, which reflects the diversity in property values and tax burdens within the county. In Lamoni, the highest median tax bill is $1,624, while Davis City boasts the lowest at $414. Compared to the national median property tax bill of $2,400, Decatur County's tax rates can be relatively favorable for homeowners, potentially offering significant savings. Understanding these factors is crucial for homeowners to manage their financial obligations effectively.

Property Tax Bills Across Decatur County, Iowa

Source: Ownwell

$414

$1,019

$1,624

Median Decatur County Tax Bill

$928

Median Iowa Tax Bill

$2,508

Median United States Tax Bill

$2,400

Property Tax Bills Across Decatur County, Iowa

City	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
Davis City	$20	$60	$414	$1,122	$2,350
Decatur	$36	$194	$722	$1,434	$2,401
Garden Grove	$26	$71	$674	$1,495	$2,758
Grand River	$20	$152	$602	$1,238	$2,099
Humeston	$548	$864	$1,276	$1,972	$2,725
Lamoni	$148	$605	$1,624	$2,566	$3,746
Leon	$68	$332	$1,018	$1,818	$2,782
Lineville	$276	$660	$1,288	$2,080	$3,662
Van Wert	$37	$135	$692	$1,460	$2,053
Weldon	$16	$108	$614	$1,397	$2,864
Kellerton	N/A	N/A	N/A	N/A	N/A

Source: Ownwell