Sioux City, Woodbury County, Iowa Property Taxes
Property Taxes in Sioux City, Iowa
Median Sioux City, Iowa effective property tax rate: 1.65%, significantly higher than the national median of 1.02%, and higher than the Iowa state median of 1.55%.
Median Sioux City, Iowa home value: $156,700
Median annual Sioux City, Iowa tax bill: $2,546, $146 higher than the national median property tax bill of $2,400.
How are property taxes in Woodbury calculated?
Property taxes in Sioux City, Iowa are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Sioux City's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Sioux City, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Sioux City, Woodbury County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.65%
Estimate Property Tax Bill
$2,586
$2,399
How Does the Sioux City Property Tax Calculator Work?
Use this Sioux City property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Sioux City's median effective tax rate of 1.65% — based on actual property records in Woodbury County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Sioux City's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Sioux City: rates range from $1,668.00 in 51105 to $2,950.00 in 51104, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Sioux City.
About Sioux City Property Taxes
About Property Taxes in Sioux City, Woodbury, Iowa
Sioux City’s median effective property tax rate of 1.65% is higher than the Iowa state median of 1.55% and higher than the national median of 1.02%. This rate reflects the Woodbury County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Sioux City. Homeowners in the 51105 ZIP code carry a median effective rate of 1.74%, while those in 51101 pay 1.32%. This spread — 0.42 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Woodbury County. Understanding which part of Sioux City you live in can make a meaningful difference to your annual tax bill.
Sioux City homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the April 30, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Sioux City, Woodbury County, Iowa
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Sioux City’s effective property tax rate to other cities in Iowa and the median property tax rates in Iowa and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Sioux City Tax Rate
1.65%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Woodbury County Tax Rate
1.62%
Median Effective Iowa Tax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Sioux City, Woodbury County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 51101 | 0.78% | 0.79% | 1.32% | 1.64% | 1.74% |
| 51103 | 1.43% | 1.56% | 1.67% | 1.74% | 1.74% |
| 51104 | 1.52% | 1.60% | 1.66% | 1.74% | 1.74% |
| 51105 | 1.42% | 1.56% | 1.74% | 1.74% | 1.74% |
| 51106 | 1.28% | 1.55% | 1.64% | 1.74% | 1.74% |
| 51108 | 1.06% | 1.51% | 1.62% | 1.74% | 1.74% |
| 51109 | 1.43% | 1.54% | 1.62% | 1.74% | 1.74% |
| 51111 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Sioux City, Woodbury County, Iowa
When examining property taxes in Sioux City, Iowa, understanding the distinction between market value and assessed value is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Woodbury County assessor estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Woodbury County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of March.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. Sioux City’s median home price is $156,700, with tax bills ranging significantly across the county. 51104 has the highest median home price at $179,900.
Property Tax Assessment Values Across Sioux City, Woodbury County, Iowa
Source: Ownwell
$60,670
$176,463
$292,255
Median Sioux City Market Value
$156,700
Median Woodbury County Market Value
$159,500
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Sioux City, Woodbury County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 51101 | $65,900 | $70,200 | $144,900 | $181,800 | $200,500 |
| 51103 | $59,980 | $84,300 | $119,100 | $164,800 | $229,000 |
| 51104 | $93,020 | $128,700 | $179,900 | $242,800 | $316,100 |
| 51105 | $59,160 | $78,400 | $102,300 | $129,000 | $160,640 |
| 51106 | $105,890 | $137,700 | $178,000 | $249,200 | $376,710 |
| 51108 | $96,200 | $123,500 | $162,590 | $249,200 | $386,600 |
| 51109 | $81,800 | $108,700 | $142,800 | $179,400 | $225,360 |
| 51111 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Sioux City, Woodbury County, Iowa
How are property tax bills calculated in Sioux City?
Property tax bills in Sioux City are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s assessed market value changes, the tax bill can change as well. The bill is determined by multiplying the assessed value by the applicable tax rate, which helps fund local services such as schools, roads, and public safety.
What factors affect the amount homeowners pay?
Several factors influence a homeowner’s property tax bill, including the home’s assessed value, the tax rate, and the location within Woodbury County. In Sioux City, the median home price is $156,700, and tax bills can vary widely from one neighborhood to another. The 25th percentile tax bill is $1,840, while the 75th percentile is $3,548. At the high end, the 90th percentile reaches $4,846.
How does this affect homeowners?
Because property taxes are tied to assessed value, homeowners with higher-valued homes often pay more. Even within the same city, differences in assessment and local rates can lead to noticeably different tax bills.
Median Sioux City Tax Bill
$2,546
Median Woodbury County Tax Bill
$2,500
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Sioux City, Woodbury County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 51101 | $1,174 | $1,584 | $1,948 | $2,776 | $3,369 |
| 51103 | $1,058 | $1,408 | $1,956 | $2,716 | $3,700 |
| 51104 | $1,564 | $2,138 | $2,950 | $3,992 | $5,206 |
| 51105 | $990 | $1,300 | $1,668 | $2,130 | $2,672 |
| 51106 | $1,762 | $2,212 | $2,893 | $3,932 | $5,451 |
| 51108 | $1,496 | $1,964 | $2,552 | $3,680 | $5,173 |
| 51109 | $1,289 | $1,732 | $2,261 | $2,874 | $3,665 |
| 51111 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 30 |
Links | |
|---|---|
| Woodbury Tax Assessor | |
| Website | beacon.schneidercorp.com |