Decatur County, IA property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Decatur County is 1.69%, above the Iowa median of 1.43% and above the national median of 0.98%. The median homeowner pays $1,856 a year on a home worth $109,500.
- Effective rate
- 1.69%
- Median annual bill
- $1,856
- Median home value
- $109,500
- Rank in Iowa
- 4of 99
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $3,380 | $282 |
| $300,000 | $5,070 | $423 |
| $400,000 | $6,760 | $563 |
| $500,000 | $8,450 | $704 |
| $750,000 | $12,675 | $1,056 |
| $1,000,000 | $16,900 | $1,408 |
Decatur County compared with Iowa and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Decatur County | 1.69% | $1,856 | $109,500 |
| Iowa median | 1.43% | $2,795 | $195,900 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in Decatur County, IA?
The median effective property tax rate in Decatur County is 1.69% of home value, above the Iowa median of 1.43% and above the national median of 0.98%. The median homeowner pays $1,856 a year on a median home value of $109,500 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Decatur County?
About $6,760 per year at the county's median effective rate of 1.69%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does Decatur County compare with the rest of Iowa?
Decatur County ranks 4 of 99 Iowa counties by effective rate. The Iowa median is 1.43% and the median bill is $2,795.