Iowa Property Tax
Iowa Property Tax Calculator
Estimate Iowa property taxes, compare county effective rates, and see how taxes show up in a monthly mortgage payment. 2026 planning data — not an official tax bill.
Estimated effective state rate
1.33%
Sample tax on a $400,000 home
$5,320
Vs U.S. benchmark (0.90%)
+$1,720
Counties in this dataset
99
In the current NMC dataset, Iowa has an estimated effective property-tax rate of 1.33%, resulting in approximately $5,320 in annual property taxes on a $400,000 home.
How property taxes work in Iowa
Iowa property taxes are levied locally — typically a stack of county, municipal, school, and special-district rates applied to assessed value after any exemptions. The 1.33% figure on this page is an ACS effective rate (taxes paid ÷ owner-occupied home value), which is useful for comparing counties and modeling PITI. It is not the millage printed on a specific parcel's bill.
For millage, exemption filings, or an official estimate, use Iowa Department of Revenue.
Estimate Iowa taxes in the calculatorIowa county property tax comparison
Median owner-occupied home value and median real-estate tax paid (ACS), with the county effective rate used in our calculator. Showing the 30 largest counties by owner-occupied households; every county is listed below.
| County | Median home value | Median annual tax | Effective rate |
|---|---|---|---|
| Polk County | $262,100 | $4,396 | 1.68% |
| Linn County | $214,300 | $3,547 | 1.66% |
| Scott County | $222,000 | $3,273 | 1.47% |
| Johnson County | $308,600 | $4,681 | 1.52% |
| Black Hawk County | $188,900 | $2,842 | 1.50% |
| Dubuque County | $237,300 | $2,919 | 1.23% |
| Dallas County | $355,600 | $5,001 | 1.41% |
| Woodbury County | $183,200 | $2,656 | 1.45% |
| Pottawattamie County | $195,700 | $3,067 | 1.57% |
| Story County | $258,700 | $3,632 | 1.40% |
| Warren County | $269,600 | $3,865 | 1.43% |
| Clinton County | $160,600 | $2,461 | 1.53% |
| Cerro Gordo County | $166,400 | $2,410 | 1.45% |
| Des Moines County | $136,500 | $2,058 | 1.51% |
| Muscatine County | $182,100 | $2,732 | 1.50% |
| Marshall County | $145,500 | $2,067 | 1.42% |
| Lee County | $141,400 | $1,955 | 1.38% |
| Jasper County | $186,300 | $2,633 | 1.41% |
| Webster County | $153,800 | $2,138 | 1.39% |
| Marion County | $233,000 | $2,848 | 1.22% |
| Sioux County | $250,100 | $2,801 | 1.12% |
| Wapello County | $125,100 | $1,974 | 1.58% |
| Boone County | $212,400 | $2,910 | 1.37% |
| Benton County | $208,200 | $2,727 | 1.31% |
| Bremer County | $219,600 | $2,824 | 1.29% |
| Plymouth County | $228,900 | $2,455 | 1.07% |
| Dickinson County | $270,700 | $2,503 | 0.92% |
| Carroll County | $176,000 | $1,916 | 1.09% |
| Buchanan County | $176,000 | $2,390 | 1.36% |
| Jackson County | $175,000 | $2,159 | 1.23% |
Iowa county directory
Highest property tax rates in Iowa
Among counties currently in the NMC dataset for this state.
- 1. Union County1.80%
- 2. Polk County1.68%
- 3. Linn County1.66%
- 4. Montgomery County1.65%
- 5. Decatur County1.61%
Lowest property tax rates in Iowa
Among counties currently in the NMC dataset for this state.
- 1. Lyon County0.87%
- 2. Dickinson County0.92%
- 3. O'Brien County0.98%
- 4. Cherokee County0.99%
- 5. Kossuth County1.00%
Adair County
Estimated effective rate: 1.28%
Adams County
Estimated effective rate: 1.26%
Allamakee County
Estimated effective rate: 1.27%
Appanoose County
Estimated effective rate: 1.34%
Audubon County
Estimated effective rate: 1.34%
Benton County
Estimated effective rate: 1.31%
Black Hawk County
Estimated effective rate: 1.50%
Boone County
Estimated effective rate: 1.37%
Bremer County
Estimated effective rate: 1.29%
Buchanan County
Estimated effective rate: 1.36%
Buena Vista County
Estimated effective rate: 1.21%
Butler County
Estimated effective rate: 1.35%
Calhoun County
Estimated effective rate: 1.32%
Carroll County
Estimated effective rate: 1.09%
Cass County
Estimated effective rate: 1.34%
Cedar County
Estimated effective rate: 1.22%
Cerro Gordo County
Estimated effective rate: 1.45%
Cherokee County
Estimated effective rate: 0.99%
Chickasaw County
Estimated effective rate: 1.02%
Clarke County
Estimated effective rate: 1.60%
Clay County
Estimated effective rate: 1.15%
Clayton County
Estimated effective rate: 1.29%
Clinton County
Estimated effective rate: 1.53%
Crawford County
Estimated effective rate: 1.28%
Dallas County
Estimated effective rate: 1.41%
Davis County
Estimated effective rate: 1.40%
Decatur County
Estimated effective rate: 1.61%
Delaware County
Estimated effective rate: 1.34%
Des Moines County
Estimated effective rate: 1.51%
Dickinson County
Estimated effective rate: 0.92%
Dubuque County
Estimated effective rate: 1.23%
Emmet County
Estimated effective rate: 1.47%
Fayette County
Estimated effective rate: 1.30%
Floyd County
Estimated effective rate: 1.34%
Franklin County
Estimated effective rate: 1.32%
Fremont County
Estimated effective rate: 1.21%
Greene County
Estimated effective rate: 1.15%
Grundy County
Estimated effective rate: 1.14%
Guthrie County
Estimated effective rate: 1.22%
Hamilton County
Estimated effective rate: 1.26%
Hancock County
Estimated effective rate: 1.18%
Hardin County
Estimated effective rate: 1.37%
Harrison County
Estimated effective rate: 1.32%
Henry County
Estimated effective rate: 1.56%
Howard County
Estimated effective rate: 1.25%
Humboldt County
Estimated effective rate: 1.29%
Ida County
Estimated effective rate: 1.16%
Iowa County
Estimated effective rate: 1.36%
Jackson County
Estimated effective rate: 1.23%
Jasper County
Estimated effective rate: 1.41%
Jefferson County
Estimated effective rate: 1.41%
Johnson County
Estimated effective rate: 1.52%
Jones County
Estimated effective rate: 1.33%
Keokuk County
Estimated effective rate: 1.26%
Kossuth County
Estimated effective rate: 1.00%
Lee County
Estimated effective rate: 1.38%
Linn County
Estimated effective rate: 1.66%
Louisa County
Estimated effective rate: 1.17%
Lucas County
Estimated effective rate: 1.37%
Lyon County
Estimated effective rate: 0.87%
Madison County
Estimated effective rate: 1.48%
Mahaska County
Estimated effective rate: 1.32%
Marion County
Estimated effective rate: 1.22%
Marshall County
Estimated effective rate: 1.42%
Mills County
Estimated effective rate: 1.47%
Mitchell County
Estimated effective rate: 1.10%
Monona County
Estimated effective rate: 1.03%
Monroe County
Estimated effective rate: 1.37%
Montgomery County
Estimated effective rate: 1.65%
Muscatine County
Estimated effective rate: 1.50%
O'Brien County
Estimated effective rate: 0.98%
Osceola County
Estimated effective rate: 1.13%
Page County
Estimated effective rate: 1.41%
Palo Alto County
Estimated effective rate: 1.20%
Plymouth County
Estimated effective rate: 1.07%
Pocahontas County
Estimated effective rate: 1.13%
Polk County
Estimated effective rate: 1.68%
Pottawattamie County
Estimated effective rate: 1.57%
Poweshiek County
Estimated effective rate: 1.22%
Ringgold County
Estimated effective rate: 1.34%
Sac County
Estimated effective rate: 1.10%
Scott County
Estimated effective rate: 1.47%
Shelby County
Estimated effective rate: 1.28%
Sioux County
Estimated effective rate: 1.12%
Story County
Estimated effective rate: 1.40%
Tama County
Estimated effective rate: 1.37%
Taylor County
Estimated effective rate: 1.26%
Union County
Estimated effective rate: 1.80%
Van Buren County
Estimated effective rate: 1.18%
Wapello County
Estimated effective rate: 1.58%
Warren County
Estimated effective rate: 1.43%
Washington County
Estimated effective rate: 1.37%
Wayne County
Estimated effective rate: 1.36%
Webster County
Estimated effective rate: 1.39%
Winnebago County
Estimated effective rate: 1.32%
Winneshiek County
Estimated effective rate: 1.12%
Woodbury County
Estimated effective rate: 1.45%
Worth County
Estimated effective rate: 1.10%
Wright County
Estimated effective rate: 1.51%
Related planning resources for Iowa
FHA limit context in Iowa
Most counties in this state follow the standard FHA floor framework.
FHA 1-unit floor $541,287 · ceiling $1,249,125. Property tax estimates on this page are separate from loan limits.
View Iowa FHA loan limitsNeed the national view?
Return to the national Property Tax Calculator to compare across states and scenarios.
Methodology
Statewide effective rates use 2024 ACS owner-occupied data. County rates are median real-estate taxes paid divided by median owner-occupied home value (ACS 2020–2024 5-year). Last reviewed August 13, 2026. Estimates only — confirm with the local taxing authority.
On a $400,000 home, the U.S. benchmark used for comparison is 0.90% ($3,600 / year).