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Zip Cost Ledger

Iowa property tax rates by county

906 ZIP codes with a published record across 99 counties.

These are effective rates: the median tax households report paying divided by the median home value, from the Census American Community Survey. They are not the statutory or millage rate a county sets, which applies to assessed value after exemptions.

State totals

ZIP codes published906
Withheld as too thin64
Counties99
Median effective tax rate1.24%Median across ZIP codes, not a state rate.

Source: US Census ACS 5-Year and FEMA National Risk Index, see each ZIP code record. How this was derived

Median effective rate by county

CountyMedian effective rateZIP codes
Adair County1.39%5
Adams County1.12%3
Allamakee County1.24%7
Appanoose County1.26%9
Audubon County0.99%5
Benton County1.28%14
Black Hawk County1.38%11
Boone County1.29%7
Bremer County1.25%8
Buchanan County1.20%10
Buena Vista County1.14%9
Butler County1.34%9
Calhoun County1.23%8
Carroll County0.94%11
Cass County1.33%8
Cedar County1.25%9
Cerro Gordo County1.27%9
Cherokee County1.03%7
Chickasaw County1.19%6
Clarke CountyNot reported4
Clay County0.96%8
Clayton County1.27%14
Clinton County1.24%14
Crawford County1.02%12
Dallas County1.38%13
Davis County1.25%4
Decatur County1.73%7
Delaware County1.37%10
Des Moines County1.32%7
Dickinson County0.95%7
Dubuque County1.09%16
Emmet County1.12%5
Fayette County1.24%14
Floyd County1.26%7
Franklin County1.25%9
Fremont County1.38%8
Greene County0.97%7
Grundy County1.07%9
Guthrie County1.39%9
Hamilton County1.30%9
Hancock County1.21%7
Hardin County1.34%11
Harrison County1.19%10
Henry County1.41%7
Howard County1.13%6
Humboldt County1.25%7
Ida County1.20%6
Iowa County1.29%10
Jackson County1.14%11
Jasper County1.26%11
Jefferson County1.39%5
Johnson County1.42%11
Jones County1.26%9
Keokuk County1.09%13
Kossuth County1.05%11
Lee County1.08%12
Linn County1.42%22
Louisa County1.16%6
Lucas County1.41%4
Lyon County0.95%8
Madison County1.24%7
Mahaska County1.30%8
Marion County1.09%11
Marshall County1.22%13
Mills County1.29%7
Mitchell County1.07%4
Monona County1.07%9
Monroe County1.34%4
Montgomery County1.60%5
Muscatine County1.12%10
O'Brien County0.91%9
Osceola County1.04%5
Page County1.34%9
Palo Alto County1.10%6
Plymouth County1.03%9
Pocahontas County1.21%7
Polk County1.66%29
Pottawattamie County1.30%17
Poweshiek County1.14%7
Ringgold County1.43%6
Sac County1.08%9
Scott County1.22%18
Shelby County1.36%9
Sioux County1.13%11
Story County1.37%15
Tama County1.24%12
Taylor County1.19%6
Union County1.22%5
Van Buren County1.27%7
Wapello County1.28%6
Warren County1.27%14
Washington County1.21%8
Wayne County1.29%8
Webster County1.09%12
Winnebago County1.13%7
Winneshiek County1.16%7
Woodbury County1.23%19
Worth County1.13%7
Wright County1.45%9

Source: US Census ACS 5-Year, tables B25103 and B25077, 2020-2024. How this was derived

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