Iowa property tax calculator
Estimate your Iowa property tax by county. The statewide average effective rate is 1.33%, #9 of 51 among states and DC. Pick your county below for a closer number.
Pick your state and county and enter your home value. Your estimate shows up here.
An estimate, not a tax bill. Effective rates are county medians of taxes paid divided by home value (Tax Foundation 2025, ACS 2020-2024). Your bill depends on your exemptions, school district and local levies.
Iowa property tax rates by county
Effective rate = median property tax paid divided by median home value, owner-occupied homes. Counties with a link have a Grove Hopper appeal guide with the deadline and forms.
| County | Rate | Median tax | Median home |
|---|---|---|---|
| Adair County | 1.15% | $2,050 | $160,400 |
| Adams County | 0.95% | $1,661 | $131,600 |
| Allamakee County | 0.94% | $2,190 | $172,300 |
| Appanoose County | 1.15% | $1,667 | $124,200 |
| Audubon County | 0.86% | $1,634 | $121,900 |
| Benton County | 1.23% | $2,727 | $208,200 |
| Black Hawk County | 1.33% | $2,842 | $188,900 |
| Boone County | 1.29% | $2,910 | $212,400 |
| Bremer County | 1.23% | $2,824 | $219,600 |
| Buchanan County | 1.22% | $2,390 | $176,000 |
| Buena Vista County | 1.36% | $1,931 | $159,500 |
| Butler County | 1.25% | $2,226 | $165,400 |
| Calhoun County | 1.11% | $1,567 | $118,800 |
| Carroll County | 1.22% | $1,916 | $176,000 |
| Cass County | 1.40% | $2,019 | $150,300 |
| Cedar County | 1.08% | $2,568 | $211,300 |
| Cerro Gordo County | 1.27% | $2,410 | $166,400 |
| Cherokee County | 0.96% | $1,569 | $158,700 |
| Chickasaw County | 1.00% | $1,863 | $182,600 |
| Clarke County | 1.23% | $2,578 | $161,100 |
| Clay County | 0.93% | $2,050 | $178,600 |
| Clayton County | 0.98% | $2,181 | $168,500 |
| Clinton County | 1.34% | $2,461 | $160,600 |
| Crawford County | 1.28% | $1,973 | $153,700 |
| Dallas County | 1.37% | $5,001 | $355,600 |
| Davis County | 1.51% | $2,269 | $161,900 |
| Decatur County | 1.33% | $1,831 | $113,900 |
| Delaware County | 1.16% | $2,382 | $177,900 |
| Des Moines County | 1.36% | $2,058 | $136,500 |
| Dickinson County | 0.78% | $2,503 | $270,700 |
| Dubuque County | 1.15% | $2,919 | $237,300 |
| Emmet County | 1.18% | $1,680 | $114,100 |
| Fayette County | 1.29% | $1,782 | $136,800 |
| Floyd County | 1.15% | $1,929 | $143,500 |
| Franklin County | 1.20% | $1,633 | $124,100 |
| Fremont County | 1.01% | $1,868 | $154,400 |
| Greene County | 1.23% | $1,783 | $155,400 |
| Grundy County | 1.18% | $2,273 | $198,800 |
| Guthrie County | 1.16% | $2,199 | $180,100 |
| Hamilton County | 1.17% | $1,977 | $156,400 |
| Hancock County | 1.18% | $1,673 | $141,400 |
| Hardin County | 1.25% | $1,683 | $122,500 |
| Harrison County | 1.19% | $2,325 | $176,000 |
| Henry County | 1.43% | $2,559 | $164,300 |
| Howard County | 1.17% | $1,853 | $147,800 |
| Humboldt County | 1.34% | $2,011 | $155,800 |
| Ida County | 0.95% | $1,260 | $108,900 |
| Iowa County | 1.19% | $2,629 | $193,900 |
| Jackson County | 0.94% | $2,159 | $175,000 |
| Jasper County | 1.24% | $2,633 | $186,300 |
| Jefferson County | 1.35% | $2,311 | $163,400 |
| Johnson County | 1.40% | $4,681 | $308,600 |
| Jones County | 1.16% | $2,450 | $184,800 |
| Keokuk County | 1.13% | $1,494 | $118,700 |
| Kossuth County | 1.06% | $1,490 | $148,300 |
| Lee County | 1.28% | $1,955 | $141,400 |
| Linn County | 1.47% | $3,547 | $214,300 |
| Louisa County | 1.08% | $1,751 | $150,100 |
| Lucas County | 1.00% | $1,645 | $120,200 |
| Lyon County | 0.86% | $1,995 | $230,000 |
| Madison County | 1.25% | $3,624 | $245,100 |
| Mahaska County | 1.26% | $2,077 | $157,800 |
| Marion County | 1.17% | $2,848 | $233,000 |
| Marshall County | 1.29% | $2,067 | $145,500 |
| Mills County | 1.13% | $3,494 | $237,800 |
| Mitchell County | 0.99% | $1,919 | $175,100 |
| Monona County | 1.06% | $1,467 | $142,900 |
| Monroe County | 1.39% | $2,149 | $156,300 |
| Montgomery County | 1.33% | $2,007 | $121,400 |
| Muscatine County | 1.32% | $2,732 | $182,100 |
| O'Brien County | 1.03% | $1,701 | $173,100 |
| Osceola County | 0.95% | $1,387 | $122,600 |
| Page County | 1.20% | $1,764 | $125,300 |
| Palo Alto County | 1.06% | $1,474 | $123,200 |
| Plymouth County | 0.99% | $2,455 | $228,900 |
| Pocahontas County | 1.06% | $1,111 | $98,100 |
| Polk County | 1.57% | $4,396 | $262,100 |
| Pottawattamie County | 1.32% | $3,067 | $195,700 |
| Poweshiek County | 1.11% | $2,563 | $209,300 |
| Ringgold County | 1.15% | $2,098 | $156,200 |
| Sac County | 0.93% | $1,556 | $141,400 |
| Scott County | 1.44% | $3,273 | $222,000 |
| Shelby County | 1.19% | $2,094 | $164,000 |
| Sioux County | 1.08% | $2,801 | $250,100 |
| Story County | 1.36% | $3,632 | $258,700 |
| Tama County | 1.20% | $2,043 | $148,600 |
| Taylor County | 1.14% | $1,482 | $117,200 |
| Union County | 1.48% | $2,197 | $122,000 |
| Van Buren County | 0.78% | $1,355 | $114,600 |
| Wapello County | 1.37% | $1,974 | $125,100 |
| Warren County | 1.39% | $3,865 | $269,600 |
| Washington County | 1.20% | $2,788 | $203,900 |
| Wayne County | 1.14% | $1,509 | $111,300 |
| Webster County | 1.39% | $2,138 | $153,800 |
| Winnebago County | 1.35% | $1,781 | $135,000 |
| Winneshiek County | 0.99% | $2,894 | $259,200 |
| Woodbury County | 1.39% | $2,656 | $183,200 |
| Worth County | 0.91% | $1,600 | $145,800 |
| Wright County | 1.28% | $1,806 | $119,600 |
Iowa property tax FAQs
What is the average property tax rate in Iowa?
Iowa's average effective property tax rate is 1.33% of home value, which ranks #9 of 51 among the states and DC (#1 is highest). Source: Tax Foundation 2025 (ACS 2020-2024 median taxes paid / median home value).
How much is property tax on a $400,000 home in Iowa?
At the Iowa average of 1.33%, about $5,320 a year. By county it ranges from about $3,120 in Van Buren County (0.78%) to about $6,280 in Polk County (1.57%).
Which Iowa county has the highest property tax rate?
Polk County has the highest average effective rate in the dataset at 1.57%. Van Buren County has the lowest at 0.78%. Source: Tax Foundation 2025 (ACS 2020-2024 median taxes paid / median home value).
How can I lower my Iowa property tax bill?
The main lever is your assessed value. If it is higher than what similar nearby homes sell for, you can appeal it, and also check whether you qualify for exemptions. Appeals are filed by the homeowner with the county or local board, and deadlines vary by county.
Appealing in Iowa? See the Iowa county appeal guides →
Source: Tax Foundation 2025 (ACS 2020-2024 median taxes paid / median home value), taxfoundation.org. Estimates are not tax bills. Grove Hopper is a research tool with reminders and document preparation, not attorneys, accountants or a tax firm.