Delaware County, Iowa Property Taxes
Property Taxes in Delaware County, Iowa
Median Delaware County effective property tax rate: 1.42%, significantly higher than the national median of 1.02%.
Median Delaware County home value: $184,100
Median annual Delaware County tax bill: $2,580, $180 higher than the national median property tax bill of $2,400.
How are property taxes in Delaware County calculated?
Property taxes in Delaware County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Delaware County or another part of Delaware County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Delaware County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.42%
Estimate Property Tax Bill
$2,614
$2,426
How Does the Delaware County Property Tax Calculator Work?
Use this Delaware County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Delaware County's median effective tax rate of 1.42% to generate your estimate.
Enter your property's estimated assessed value — the figure used for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Delaware County's median tax rate is higher than the Iowa median of 1.55%, and the county's median property tax bill of $2,580 is $180 higher than the state median bill and above the national median property tax rate of 1.02% and national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Delaware County.
Property Tax Rates Across Delaware County, Iowa
What Are Effective Property Tax Rates Across Delaware County?
Local government entities set tax rates, which vary widely across Delaware County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Delaware County's effective property tax rate to other counties in Iowa or the U.S. median of 1.02%.
Delaware County's median effective rate stands at 1.42%, which is higher than the national median of 1.02%. Within Delaware County, the highest rate is found in EDGEWOOD at 1.63%, while WORTHINGTON has the lowest at 1.07%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
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 Delaware County Tax Rate
1.42%
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 Iowa Tax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Delaware County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Coggon | 1.16% | 1.23% | 1.26% | 1.36% | 1.56% |
| Colesburg | 1.20% | 1.35% | 1.52% | 1.64% | 1.68% |
| Delaware | 1.05% | 1.20% | 1.32% | 1.44% | 1.45% |
| Delhi | 1.03% | 1.19% | 1.44% | 1.51% | 1.51% |
| Dundee | 1.04% | 1.17% | 1.33% | 1.52% | 1.58% |
| Dyersville | 1.04% | 1.08% | 1.20% | 1.36% | 1.41% |
| Earlville | 1.01% | 1.07% | 1.29% | 1.39% | 1.48% |
| Edgewood | 1.27% | 1.51% | 1.63% | 1.73% | 1.76% |
| Greeley | 1.18% | 1.28% | 1.49% | 1.69% | 1.70% |
| Hopkinton | 0.99% | 1.07% | 1.28% | 1.45% | 1.57% |
| Manchester | 1.15% | 1.22% | 1.56% | 1.70% | 1.79% |
| Masonville | 1.17% | 1.23% | 1.30% | 1.56% | 1.61% |
| Monticello | 1.03% | 1.24% | 1.32% | 1.33% | 1.47% |
| New Vienna | 1.07% | 1.21% | 1.30% | 1.50% | 1.66% |
| Ryan | 1.16% | 1.23% | 1.50% | 1.63% | 1.74% |
| Strawberry Point | 1.03% | 1.08% | 1.21% | 1.34% | 1.49% |
| Worthington | 0.92% | 1.04% | 1.07% | 1.22% | 1.33% |
| Lamont | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Delaware County, Iowa
When examining property taxes in Delaware County, 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 Delaware 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 Delaware County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.
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. The median tax bill in Delaware County is $2,580, compared with the national median property tax bill of $2,400. Tax bills range widely across the county, from $1,051 in Delaware to $3,924 in New Vienna. Dyersville has the highest median home price at $290,500.
Median Delaware County Market Value
$184,100
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Delaware County, Iowa
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Coggon | $136,100 | $192,500 | $263,500 | $397,600 | $571,400 |
| Colesburg | $35,010 | $74,300 | $124,450 | $177,375 | $272,930 |
| Delaware | $14,260 | $39,400 | $88,700 | $133,300 | $180,540 |
| Delhi | $17,200 | $95,550 | $206,150 | $390,675 | $543,600 |
| Dundee | $18,260 | $74,200 | $132,500 | $251,500 | $390,920 |
| Dyersville | $107,740 | $194,300 | $290,500 | $424,300 | $545,620 |
| Earlville | $50,770 | $95,600 | $159,500 | $277,950 | $417,180 |
| Edgewood | $46,040 | $108,750 | $160,450 | $245,425 | $361,170 |
| Greeley | $18,870 | $69,100 | $127,250 | $252,375 | $392,120 |
| Hopkinton | $41,570 | $101,175 | $174,000 | $273,050 | $382,140 |
| Manchester | $56,080 | $112,400 | $183,350 | $294,200 | $423,180 |
| Masonville | $5,850 | $46,625 | $129,150 | $285,725 | $435,450 |
| Monticello | $166,300 | $182,150 | $208,250 | $365,200 | $399,910 |
| New Vienna | $77,700 | $217,400 | $288,400 | $438,800 | $528,300 |
| Ryan | $73,690 | $134,000 | $196,100 | $318,575 | $442,060 |
| Strawberry Point | $105,900 | $189,600 | $246,900 | $348,800 | $501,500 |
| Worthington | $144,860 | $200,500 | $261,000 | $334,400 | $415,860 |
| Lamont | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Delaware County, Iowa
How are property tax bills calculated in Delaware County, Iowa?
Property tax bills are based on a home’s assessed value, which is then multiplied by the local tax rate set by taxing authorities. The assessed value is influenced by the market value of the property, so changes in the housing market can affect what homeowners owe. In Delaware County, the median home price is $184,100, and tax bills vary widely depending on location and property characteristics.
What factors affect the final bill? Local school, county, city, and other district levies all play a role, so two similar homes can have very different bills. The lowest median tax bill is $1,051 in Delaware, while the highest median tax bill is $3,924 in New Vienna. Across the county, the 25th percentile tax bill is $1,570, the 75th percentile is $4,165, and the 90th percentile reaches $6,104.
For homeowners, this means property taxes can be a major ongoing housing cost, and they may rise when assessed values or local tax rates increase.
Median Delaware County Tax Bill
$2,580
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Delaware County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Coggon | $1,650 | $2,332 | $3,382 | $5,322 | $7,384 |
| Colesburg | $507 | $1,054 | $1,822 | $2,561 | $3,715 |
| Delaware | $194 | $544 | $1,051 | $1,700 | $2,347 |
| Delhi | $447 | $1,520 | $2,888 | $5,387 | $7,987 |
| Dundee | $298 | $1,138 | $1,846 | $3,004 | $4,682 |
| Dyersville | $1,381 | $2,232 | $3,696 | $5,385 | $6,769 |
| Earlville | $659 | $1,218 | $2,016 | $3,268 | $4,927 |
| Edgewood | $763 | $1,784 | $2,550 | $3,782 | $5,226 |
| Greeley | $340 | $1,022 | $1,938 | $3,594 | $5,032 |
| Hopkinton | $575 | $1,308 | $2,166 | $3,206 | $4,486 |
| Manchester | $990 | $1,804 | $2,768 | $4,274 | $5,937 |
| Masonville | $291 | $718 | $1,768 | $3,836 | $6,472 |
| Monticello | $2,007 | $2,244 | $2,492 | $5,226 | $6,211 |
| New Vienna | $904 | $2,750 | $3,924 | $5,896 | $7,588 |
| Ryan | $1,137 | $1,937 | $2,805 | $4,230 | $6,324 |
| Strawberry Point | $1,322 | $2,323 | $2,946 | $4,182 | $7,021 |
| Worthington | $1,603 | $2,092 | $2,793 | $4,000 | $4,588 |
| Lamont | 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 | |
|---|---|
| Delaware Tax Assessor | |
| Website | beacon.schneidercorp.com |