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Iowa property tax by county

Every county ranked by effective rate (Census 2020–2024)

Updated Oct 17, 2026, 1:57 AM ET
Statewide effective rate
1.39%

Iowa homeowners paid a median $2,897 a year in property tax, an effective rate of 1.39%. The lowest county is Lyon County (0.87%) and the highest is Union County (1.80%) (Census 2020–2024).

Census ACS 2020–2024 5-year medians

#42 lowest of 51states + DC

0.94%United States
Median tax paid
$2,897
per year, 2020–24
Median home value
$208,000
owner-occupied
Effective rate
1.39%
tax ÷ value
Tax vs. income
3.9%
of $75,059 median household income
Owner costs
$1,533/mo
median with a mortgage, incl. tax & insurance

5 lowest-tax counties

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

5 highest-tax counties

Union County1.80%
Polk County1.68%
Linn County1.66%
Montgomery County1.65%
Decatur County1.61%

All 99 Iowa counties, lowest rate first

#CountyMedian taxMedian valueRate
1Lyon County$1,995$230,0000.87%
2Dickinson County$2,503$270,7000.92%
3O'Brien County$1,701$173,1000.98%
4Cherokee County$1,569$158,7000.99%
5Kossuth County$1,490$148,3001.00%
6Chickasaw County$1,863$182,6001.02%
7Monona County$1,467$142,9001.03%
8Plymouth County$2,455$228,9001.07%
9Carroll County$1,916$176,0001.09%
10Mitchell County$1,919$175,1001.10%
11Worth County$1,600$145,8001.10%
12Sac County$1,556$141,4001.10%
13Winneshiek County$2,894$259,2001.12%
14Sioux County$2,801$250,1001.12%
15Osceola County$1,387$122,6001.13%
16Pocahontas County$1,111$98,1001.13%
17Grundy County$2,273$198,8001.14%
18Greene County$1,783$155,4001.15%
19Clay County$2,050$178,6001.15%
20Ida County$1,260$108,9001.16%
21Louisa County$1,751$150,1001.17%
22Van Buren County$1,355$114,6001.18%
23Hancock County$1,673$141,4001.18%
24Palo Alto County$1,474$123,2001.20%
25Fremont County$1,868$154,4001.21%
26Buena Vista County$1,931$159,5001.21%
27Cedar County$2,568$211,3001.22%
28Guthrie County$2,199$180,1001.22%
29Marion County$2,848$233,0001.22%
30Poweshiek County$2,563$209,3001.22%
31Dubuque County$2,919$237,3001.23%
32Jackson County$2,159$175,0001.23%
33Howard County$1,853$147,8001.25%
34Keokuk County$1,494$118,7001.26%
35Adams County$1,661$131,6001.26%
36Hamilton County$1,977$156,4001.26%
37Taylor County$1,482$117,2001.26%
38Allamakee County$2,190$172,3001.27%
39Shelby County$2,094$164,0001.28%
40Adair County$2,050$160,4001.28%
41Crawford County$1,973$153,7001.28%
42Bremer County$2,824$219,6001.29%
43Humboldt County$2,011$155,8001.29%
44Clayton County$2,181$168,5001.29%
45Fayette County$1,782$136,8001.30%
46Benton County$2,727$208,2001.31%
47Franklin County$1,633$124,1001.32%
48Mahaska County$2,077$157,8001.32%
49Calhoun County$1,567$118,8001.32%
50Winnebago County$1,781$135,0001.32%
51Harrison County$2,325$176,0001.32%
52Jones County$2,450$184,8001.33%
53Delaware County$2,382$177,9001.34%
54Audubon County$1,634$121,9001.34%
55Appanoose County$1,667$124,2001.34%
56Ringgold County$2,098$156,2001.34%
57Cass County$2,019$150,3001.34%
58Floyd County$1,929$143,5001.34%
59Butler County$2,226$165,4001.35%
60Wayne County$1,509$111,3001.36%
61Iowa County$2,629$193,9001.36%
62Buchanan County$2,390$176,0001.36%
63Washington County$2,788$203,9001.37%
64Lucas County$1,645$120,2001.37%
65Boone County$2,910$212,4001.37%
66Hardin County$1,683$122,5001.37%
67Tama County$2,043$148,6001.37%
68Monroe County$2,149$156,3001.37%
69Lee County$1,955$141,4001.38%
70Webster County$2,138$153,8001.39%
71Davis County$2,269$161,9001.40%
72Story County$3,632$258,7001.40%
73Dallas County$5,001$355,6001.41%
74Page County$1,764$125,3001.41%
75Jasper County$2,633$186,3001.41%
76Jefferson County$2,311$163,4001.41%
77Marshall County$2,067$145,5001.42%
78Warren County$3,865$269,6001.43%
79Cerro Gordo County$2,410$166,4001.45%
80Woodbury County$2,656$183,2001.45%
81Mills County$3,494$237,8001.47%
82Emmet County$1,680$114,1001.47%
83Scott County$3,273$222,0001.47%
84Madison County$3,624$245,1001.48%
85Muscatine County$2,732$182,1001.50%
86Black Hawk County$2,842$188,9001.50%
87Des Moines County$2,058$136,5001.51%
88Wright County$1,806$119,6001.51%
89Johnson County$4,681$308,6001.52%
90Clinton County$2,461$160,6001.53%
91Henry County$2,559$164,3001.56%
92Pottawattamie County$3,067$195,7001.57%
93Wapello County$1,974$125,1001.58%
94Clarke County$2,578$161,1001.60%
95Decatur County$1,831$113,9001.61%
96Montgomery County$2,007$121,4001.65%
97Linn County$3,547$214,3001.66%
98Polk County$4,396$262,1001.68%
99Union County$2,197$122,0001.80%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.

Frequently asked questions

What county has the lowest property tax in Iowa?

Lyon County, with a median effective rate of 0.87% ($1,995 median tax), per Census 2020–2024.

What county has the highest property tax in Iowa?

Union County at 1.80% ($2,197 median tax).

How much is property tax in Iowa?

Iowa homeowners paid a median $2,897 a year in property tax, an effective rate of 1.39%. The lowest county is Lyon County (0.87%) and the highest is Union County (1.80%) (Census 2020–2024).

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