Decatur County Property Taxes
Decatur County, Iowa
Effective Tax Rate
0.00%
14.1% below state avgMedian Annual Tax
$0
$155/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.70%
At a Glance
Median Home Value
$109,500
State avg ▼ $160,608
Tax w/ Mortgage/yr
$1,914
$160/mo escrow
Tax w/o Mortgage/yr
$1,759
$147/mo
State Tax Rate Rank
#96
of 99 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Decatur County, Iowa
Decatur County has nation's steepest rate
Decatur County's effective property tax rate of 1.695% ranks among the highest in the nation, nearly 55% above the national median of 1.1%. Despite lower absolute taxes due to modest home values, this rate structure imposes one of the country's heaviest tax burdens on property.
Iowa's most aggressive property taxer
Decatur County's 1.695% effective rate is the highest among all Iowa counties, towering 26% above the state average of 1.344%. This aggressive rate means property owners here carry a disproportionate share of local government costs compared to their counterparts statewide.
Decatur County far outpaces neighbors
At 1.695%, Decatur County's rate dwarfs those of surrounding counties—Davis County (1.518%), Des Moines County (1.531%), and Delaware County (1.343%) all fall significantly below. This makes Decatur the clear tax leader in south-central Iowa, driven by local spending needs and assessment practices.
Your annual Decatur County tax bill
On a median home valued at $109,500, Decatur County homeowners pay approximately $1,856 per year in property taxes. For those with a mortgage, the annual escrow amount is typically $1,914; those without a mortgage pay around $1,759.
Your tax bill may be too high
In Decatur County's high-tax environment, overassessment is especially costly to homeowners. A professional assessment challenge could yield meaningful savings given the county's aggressive rate structure.
How Decatur County Compares
Median Annual Property Tax
Decatur County
1.70%
Effective rate
Iowa Avg
1.34%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Decatur County, Iowa?
How much are property taxes in Decatur County?
How does Decatur County compare to the Iowa average?
What is the median home value in Decatur County, Iowa?
Why is Decatur County property tax rate higher than the Iowa average?
How does Decatur County rank for property taxes in Iowa?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Iowa
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.