Decatur County property tax
Homeowners in Decatur County, Iowa typically pay about 1.61% of their home's value in property tax each year — a median bill of $1,831 on a median home value of $113,900.
Typical effective rate
1.61%
higher than 8% of U.S. counties
Median tax paid
$1,831
per year
Median home value
$113,900
In IA
#5
of 99 ranked counties
At a glance
- Effective rate 1.61% — 71% higher than the U.S. median of 0.94%, and 15% higher than the Iowa median of 1.39%.
- With vs. without a mortgage — median tax $1,916 for mortgaged homes, $1,723 for homes owned outright.
- State ranking — 5th highest effective rate of 99 ranked Iowa counties; nationally it sits around the 92th percentile.
Estimate a bill for Decatur County
Apply this county's typical effective rate (1.61%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Decatur County, IA?
The typical effective property-tax rate in Decatur County is 1.61% of a home's value per year, based on median taxes paid ($1,831) divided by the median home value ($113,900) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Decatur County?
The median owner-occupied home in Decatur County is valued at $113,900, and the median real estate tax paid is $1,831 per year. Homes with a mortgage have a median tax of $1,916, versus $1,723 for homes without one.
How does Decatur County compare to the rest of Iowa?
Decatur County's effective rate is 15% higher than the Iowa median, ranking 5th of 99 ranked counties in the state.
Compare nearby Iowa counties
Counties ranked closest to Decatur County by in-state effective rate. Open the comparison tool or see all Iowa counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 2 | Polk County | 1.68% | $4,396 |
| 3 | Linn County | 1.66% | $3,547 |
| 4 | Montgomery County | 1.65% | $2,007 |
| 6 | Clarke County | 1.60% | $2,578 |
| 7 | Wapello County | 1.58% | $1,974 |
| 8 | Pottawattamie County | 1.57% | $3,067 |
Official data & resources for Decatur County
- Decatur County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Decatur County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Decatur County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.