Homeowners in Alton, Iowa paid a median $2,722 a year in property tax on a median home worth $218,900, an effective rate of about 1.24% (Census 2020–2024).
1.12%Sioux County overall
Alton vs county, state and US
Effective rate
Median tax paid per year
Tax on a home in Alton
At the local 1.24% effective rate
| Home value | Estimated yearly tax | Per month |
|---|---|---|
| $150,000 | $1,865 | $155 |
| $250,000 | $3,109 | $259 |
| $350,000 | $4,352 | $363 |
| $500,000 | $6,217 | $518 |
Buying a home in Sioux County? 2026 loan limits
Nearby and related
- Sioux County property taxcounty overview
- Iowa property tax by countyranked
- Sioux Center, IA1.36% effective
- Orange City, IA1.28% effective
- Rock Valley, IA1.23% effective
- Hull, IA1.29% effective
- Hospers, IA1.09% effective
- Cost of living in Iowaprices & rents
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 is the property tax rate in Alton, Iowa?
Homeowners in Alton, Iowa paid a median $2,722 a year in property tax on a median home worth $218,900, an effective rate of about 1.24% (Census 2020–2024).
How much is property tax on a $250,000 home in Alton?
About $3,109 a year at the 1.24% median effective rate. Exemptions such as homestead can lower it.
Is property tax in Alton higher than the rest of Iowa?
Alton ranks #186 lowest of 587 Iowa places we track. The statewide effective rate is 1.39%. Sioux County overall is 1.12%.