Iowa property tax rates by county
Iowa · #10 of 52 · 99 counties
1.39%state benchmark
Median annual property tax $2,897 · median home value $208,000
Above the U.S. benchmark 0.94%. First half due Sep 30, Second half due Mar 31. Payment dates ↓
Same house, different county
Apply each county's benchmark rate to a $208,000 home, the Iowa median: about $3,489 a year in Polk County (1.68%) versus $2,231 in Plymouth County (1.07%) — $1,258 a year apart for the same house. Counties with at least 20,000 people.
Where most Iowa residents live
| County | Rate | Median tax | Of income |
|---|---|---|---|
| Polk County#2 of 99 | 1.68% | $4,396 | 5.3% |
| Linn County#3 of 99 | 1.66% | $3,547 | 4.6% |
| Scott County#17 of 99 | 1.47% | $3,273 | 4.2% |
| Johnson County#11 of 99 | 1.52% | $4,681 | 6.2% |
| Black Hawk County#14 of 99 | 1.50% | $2,842 | 4.3% |
Of income = median annual property tax ÷ median household income (all households, owners and renters), ACS 2020–2024 5-year. A real bill depends on the assessed value and exemptions, not only the rate.
Counties, highest rate first
- Union CountyMedian home value $122,000
- Polk CountyMedian home value $262,100
- Linn CountyMedian home value $214,300
- Montgomery CountyMedian home value $121,400
- Decatur CountyMedian home value $113,900
- Clarke CountyMedian home value $161,100
- Wapello CountyMedian home value $125,100
- Pottawattamie CountyMedian home value $195,700
- Henry CountyMedian home value $164,300
- Clinton CountyMedian home value $160,600
- Johnson CountyMedian home value $308,600
- Wright CountyMedian home value $119,600
- Des Moines CountyMedian home value $136,500
- Black Hawk CountyMedian home value $188,900
- Muscatine CountyMedian home value $182,100
- Madison CountyMedian home value $245,100
- Scott CountyMedian home value $222,000
- Emmet CountyMedian home value $114,100
- Mills CountyMedian home value $237,800
- Woodbury CountyMedian home value $183,200
- Cerro Gordo CountyMedian home value $166,400
- Warren CountyMedian home value $269,600
- Marshall CountyMedian home value $145,500
- Jefferson CountyMedian home value $163,400
- Jasper CountyMedian home value $186,300
- Page CountyMedian home value $125,300
- Dallas CountyMedian home value $355,600
- Story CountyMedian home value $258,700
- Davis CountyMedian home value $161,900
- Webster CountyMedian home value $153,800
- Lee CountyMedian home value $141,400
- Monroe CountyMedian home value $156,300
- Tama CountyMedian home value $148,600
- Hardin CountyMedian home value $122,500
- Boone CountyMedian home value $212,400
- Lucas CountyMedian home value $120,200
- Washington CountyMedian home value $203,900
- Buchanan CountyMedian home value $176,000
- Iowa CountyMedian home value $193,900
- Wayne CountyMedian home value $111,300
- Butler CountyMedian home value $165,400
- Floyd CountyMedian home value $143,500
- Cass CountyMedian home value $150,300
- Ringgold CountyMedian home value $156,200
- Appanoose CountyMedian home value $124,200
- Audubon CountyMedian home value $121,900
- Delaware CountyMedian home value $177,900
- Jones CountyMedian home value $184,800
- Harrison CountyMedian home value $176,000
- Winnebago CountyMedian home value $135,000
- Calhoun CountyMedian home value $118,800
- Mahaska CountyMedian home value $157,800
- Franklin CountyMedian home value $124,100
- Benton CountyMedian home value $208,200
- Fayette CountyMedian home value $136,800
- Clayton CountyMedian home value $168,500
- Humboldt CountyMedian home value $155,800
- Bremer CountyMedian home value $219,600
- Crawford CountyMedian home value $153,700
- Adair CountyMedian home value $160,400
- Shelby CountyMedian home value $164,000
- Allamakee CountyMedian home value $172,300
- Taylor CountyMedian home value $117,200
- Hamilton CountyMedian home value $156,400
- Adams CountyMedian home value $131,600
- Keokuk CountyMedian home value $118,700
- Howard CountyMedian home value $147,800
- Jackson CountyMedian home value $175,000
- Dubuque CountyMedian home value $237,300
- Poweshiek CountyMedian home value $209,300
- Marion CountyMedian home value $233,000
- Guthrie CountyMedian home value $180,100
- Cedar CountyMedian home value $211,300
- Buena Vista CountyMedian home value $159,500
- Fremont CountyMedian home value $154,400
- Palo Alto CountyMedian home value $123,200
- Hancock CountyMedian home value $141,400
- Van Buren CountyMedian home value $114,600
- Louisa CountyMedian home value $150,100
- Ida CountyMedian home value $108,900
- Clay CountyMedian home value $178,600
- Greene CountyMedian home value $155,400
- Grundy CountyMedian home value $198,800
- Pocahontas CountyMedian home value $98,100
- Osceola CountyMedian home value $122,600
- Sioux CountyMedian home value $250,100
- Winneshiek CountyMedian home value $259,200
- Sac CountyMedian home value $141,400
- Worth CountyMedian home value $145,800
- Mitchell CountyMedian home value $175,100
- Carroll CountyMedian home value $176,000
- Plymouth CountyMedian home value $228,900
- Monona CountyMedian home value $142,900
- Chickasaw CountyMedian home value $182,600
- Kossuth CountyMedian home value $148,300
- Cherokee CountyMedian home value $158,700
- O'Brien CountyMedian home value $173,100
- Dickinson CountyMedian home value $270,700
- Lyon CountyMedian home value $230,000
When it's due in Iowa
All states| First half | Due Sep 30 Late from Oct 1 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill. |
|---|---|
| Second half | Due Mar 31 Late from Apr 1 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill. |
| Late penalty | 1.5% per month interest (18% annually) calculated to the nearest whole dollar (Iowa Code § 445.39) |
| Appeal window | April 2 to April 30 to local Board of Review (Iowa Code § 441.37) |
Taxes payable in 2 equal installments: 1st half due September 30 (delinquent Oct 1), 2nd half due March 31 (delinquent Apr 1). Regular annual schedule; tax year: fiscal year July 1 - June 30, bills mailed August. Source: Iowa Code § 445.36, § 445.37, § 445.39, rules checked 2026-09-19. Confirm the amount and deadline on your official tax bill.
Benchmark = median real estate taxes paid ÷ median home value, ACS 2020–2024 5-year. Counties where the Census reports a range ("less than $200", "$10,000 or more") get no rate.