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countyhomecosts

Iowa— Property Tax & Closing Costs

Iowa property tax by county

Property tax rates, median home values, and closing cost estimates for all 99 counties in Iowa. The average effective rate across the state is 1.31%, ranking Iowa 9 of 51 (highest property taxes nationally). Data is sourced from the US Census Bureau American Community Survey 2024 5-year estimates.

Average rate

1.31%

across 99 counties

National rank

#9

of 51states & DC

Median home value

$160,600

county median in state

Rate range

0.87%1.80%

Lyon CountyUnion County

Lowest property tax rates in Iowa

The five Iowa counties with the lowest effective property tax rates, useful for buyers comparing total cost of ownership across the state.

CountyRate
Lyon County0.87%
Dickinson County0.92%
O'Brien County0.98%
Cherokee County0.99%
Kossuth County1.00%

Highest property tax rates in Iowa

The five Iowacounties with the highest effective property tax rates. High rates often reflect strong school district funding or municipal services rather than weakness — but they materially change a buyer's monthly carrying cost.

CountyRate
Union County1.80%
Polk County1.68%
Linn County1.65%
Montgomery County1.65%
Decatur County1.61%

All 99 counties in Iowa

Effective property tax rate, median home value, and median annual taxes paid for every county in Iowa. Click a county to open its full property tax calculator and closing cost breakdown.

CountyRate
Adair County1.28%
Adams County1.26%
Allamakee County1.27%
Appanoose County1.34%
Audubon County1.34%
Benton County1.31%
Black Hawk County1.50%
Boone County1.37%
Bremer County1.29%
Buchanan County1.36%
Buena Vista County1.21%
Butler County1.35%
Calhoun County1.32%
Carroll County1.09%
Cass County1.34%
Cedar County1.21%
Cerro Gordo County1.45%
Cherokee County0.99%
Chickasaw County1.02%
Clarke County1.60%
Clay County1.15%
Clayton County1.29%
Clinton County1.53%
Crawford County1.28%
Dallas County1.41%
Davis County1.40%
Decatur County1.61%
Delaware County1.34%
Des Moines County1.51%
Dickinson County0.92%
Dubuque County1.23%
Emmet County1.47%
Fayette County1.30%
Floyd County1.34%
Franklin County1.32%
Fremont County1.21%
Greene County1.15%
Grundy County1.14%
Guthrie County1.22%
Hamilton County1.26%
Hancock County1.18%
Hardin County1.37%
Harrison County1.32%
Henry County1.56%
Howard County1.25%
Humboldt County1.29%
Ida County1.16%
Iowa County1.36%
Jackson County1.23%
Jasper County1.41%
Jefferson County1.41%
Johnson County1.52%
Jones County1.33%
Keokuk County1.26%
Kossuth County1.00%
Lee County1.38%
Linn County1.65%
Louisa County1.17%
Lucas County1.37%
Lyon County0.87%
Madison County1.48%
Mahaska County1.32%
Marion County1.22%
Marshall County1.42%
Mills County1.47%
Mitchell County1.10%
Monona County1.03%
Monroe County1.38%
Montgomery County1.65%
Muscatine County1.50%
O'Brien County0.98%
Osceola County1.13%
Page County1.41%
Palo Alto County1.20%
Plymouth County1.07%
Pocahontas County1.13%
Polk County1.68%
Pottawattamie County1.57%
Poweshiek County1.23%
Ringgold County1.34%
Sac County1.10%
Scott County1.47%
Shelby County1.28%
Sioux County1.12%
Story County1.40%
Tama County1.38%
Taylor County1.26%
Union County1.80%
Van Buren County1.18%
Wapello County1.58%
Warren County1.43%
Washington County1.37%
Wayne County1.36%
Webster County1.39%
Winnebago County1.32%
Winneshiek County1.12%
Woodbury County1.45%
Worth County1.10%
Wright County1.51%

Source: US Census Bureau American Community Survey 2024 5-year estimates, tables B25077 (median home value) and B25103 (median real estate taxes paid). Effective rate is computed as median taxes paid divided by median home value at the county level and represents the typical owner-occupied home — actual bills vary by purchase price, exemptions, and special assessments.