Delaware County, Ohio Property Taxes
Property Taxes in Delaware County, Ohio
Median Delaware County effective property tax rate: 1.82%, significantly higher than the national median of 1.02%.
Median Delaware County home value: $410,000
Median annual Delaware County tax bill: $7,158, 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 or another part of Delaware County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Delaware County, Ohio Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.82%
Estimate Property Tax Bill
$7,462
$6,925
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 1.82% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district assigns 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 Ohio's 1.60% median tax rate, and the median property tax bill is $7,158, which is $4,758 higher than the state median and well 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, Ohio
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 Ohio or the U.S. median of 1.02%.
Delaware County's median effective rate stands at 1.82%, which is higher than the national median of 1.02%. Within Delaware County, the highest rate is found in Dublin at 2.00%, while Centerburg has the lowest at 1.13%.
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
1.82%
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 Ohio Tax Rate
1.60%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Delaware County, Ohio
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ashley | 1.16% | 1.28% | 1.40% | 1.41% | 1.44% |
| Centerburg | 0.98% | 1.12% | 1.13% | 1.41% | 1.41% |
| Columbus | 1.70% | 1.70% | 1.91% | 1.95% | 1.95% |
| Delaware | 1.34% | 1.65% | 1.66% | 1.84% | 1.94% |
| Dublin | 1.89% | 1.97% | 2.00% | 2.00% | 2.01% |
| Galena | 1.40% | 1.52% | 1.72% | 1.86% | 2.01% |
| Johnstown | 1.37% | 1.41% | 1.52% | 1.53% | 1.55% |
| Lewis Center | 1.78% | 1.93% | 1.94% | 1.97% | 1.99% |
| Marengo | 1.01% | 1.17% | 1.18% | 1.20% | 1.41% |
| Marysville | 1.08% | 1.16% | 1.20% | 1.21% | 1.21% |
| New Albany | 1.40% | 1.52% | 1.52% | 1.54% | 1.54% |
| Ostrander | 1.08% | 1.16% | 1.17% | 1.18% | 1.23% |
| Plain City | 0.93% | 1.85% | 1.97% | 1.97% | 1.97% |
| Powell | 1.68% | 1.83% | 1.86% | 2.02% | 2.19% |
| Prospect | 1.14% | 1.29% | 1.30% | 1.30% | 1.31% |
| Radnor | 1.10% | 1.15% | 1.29% | 1.30% | 1.32% |
| Richwood | 1.00% | 1.13% | 1.30% | 1.31% | 1.33% |
| Sunbury | 1.22% | 1.40% | 1.41% | 1.54% | 1.73% |
| Waldo | 1.07% | 1.22% | 1.31% | 1.33% | 1.33% |
| Westerville | 1.63% | 1.78% | 1.81% | 1.84% | 1.96% |
| Croton | N/A | N/A | N/A | N/A | N/A |
| Harlem Township | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Delaware County, Ohio
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 Auditor 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 May.
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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Delaware County.
For example, the median tax bill in Delaware County is $7,158, with tax bills ranging significantly across the county. Plain City has the highest median home price at $725,050.
Median Delaware County Market Value
$410,000
Median Ohio Market Value
$168,370
Median United States Market Value
$235,294
Property Tax Assessment Values Across Delaware County, Ohio
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ashley | $55,000 | $111,350 | $163,400 | $263,725 | $378,020 |
| Centerburg | $241,380 | $304,550 | $393,000 | $552,500 | $703,780 |
| Columbus | $167,500 | $187,500 | $262,500 | $313,675 | $354,500 |
| Delaware | $146,520 | $226,400 | $315,500 | $445,800 | $594,000 |
| Dublin | $404,250 | $491,325 | $598,750 | $800,225 | $1,150,660 |
| Galena | $290,348 | $413,600 | $517,600 | $644,150 | $825,260 |
| Johnstown | $242,900 | $368,400 | $509,000 | $681,050 | $862,780 |
| Lewis Center | $175,980 | $323,800 | $416,500 | $505,600 | $606,100 |
| Marengo | $207,800 | $285,600 | $423,400 | $510,700 | $635,600 |
| Marysville | $121,840 | $216,700 | $329,300 | $477,100 | $547,720 |
| New Albany | $353,940 | $433,700 | $660,000 | $843,150 | $936,520 |
| Ostrander | $149,910 | $232,225 | $382,100 | $492,525 | $611,110 |
| Plain City | $459,730 | $552,900 | $725,050 | $834,225 | $1,296,840 |
| Powell | $264,200 | $379,100 | $469,400 | $598,400 | $800,000 |
| Prospect | $173,980 | $222,000 | $332,300 | $449,150 | $542,650 |
| Radnor | $113,560 | $180,900 | $271,700 | $399,300 | $502,140 |
| Richwood | $161,100 | $201,150 | $257,700 | $313,100 | $392,400 |
| Sunbury | $161,130 | $252,900 | $364,950 | $478,675 | $626,080 |
| Waldo | $91,900 | $135,275 | $207,500 | $300,625 | $438,150 |
| Westerville | $301,300 | $366,400 | $434,600 | $530,175 | $678,760 |
| Croton | N/A | N/A | N/A | N/A | N/A |
| Harlem Township | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Delaware County, Ohio
Property tax bills in Delaware County, Ohio are based on the assessed value of a home, which is tied to its market value and then taxed at the local property tax rate. For a home with a median home price of $410,000, the bill can vary widely depending on the property’s location and how local taxing authorities set rates. The county’s property tax burden is well above the national median property tax rate of 1.02% and the national median property tax bill of $2,400, which means many homeowners here pay significantly more than the typical U.S. homeowner.
Several factors affect the final bill, including the home’s assessed value, local levies, and any exemptions that may apply. In Delaware County, the 25th percentile tax bill is $4,754, while the 75th percentile reaches $9,761 and the 90th percentile climbs to $12,912. That range shows how much bills can differ from one property to another. Homeowners in higher-tax areas may face a much larger annual expense, making property taxes a major part of housing costs.
Median Delaware County Tax Bill
$7,158
Median Ohio Tax Bill
$2,789
Median United States Tax Bill
$2,400
Property Tax Bills Across Delaware County, Ohio
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ashley | $730 | $1,526 | $2,222 | $3,378 | $4,807 |
| Centerburg | $2,382 | $3,457 | $4,586 | $6,597 | $8,478 |
| Columbus | $3,263 | $3,651 | $4,988 | $5,671 | $6,160 |
| Delaware | $2,288 | $3,623 | $5,179 | $7,683 | $11,021 |
| Dublin | $7,968 | $9,765 | $11,877 | $15,725 | $22,611 |
| Galena | $4,565 | $6,743 | $8,823 | $11,353 | $14,572 |
| Johnstown | $3,275 | $5,468 | $7,386 | $9,792 | $12,370 |
| Lewis Center | $3,226 | $5,926 | $8,046 | $9,825 | $11,865 |
| Marengo | $2,439 | $3,026 | $4,947 | $6,220 | $7,553 |
| Marysville | $1,310 | $2,238 | $3,974 | $5,164 | $6,595 |
| New Albany | $4,343 | $6,508 | $9,939 | $12,941 | $14,452 |
| Ostrander | $1,667 | $2,681 | $4,450 | $5,863 | $7,136 |
| Plain City | $7,276 | $9,004 | $11,740 | $16,166 | $24,285 |
| Powell | $4,686 | $6,784 | $8,761 | $12,006 | $15,353 |
| Prospect | $2,098 | $2,744 | $4,052 | $5,623 | $6,747 |
| Radnor | $1,361 | $2,168 | $3,328 | $5,115 | $6,454 |
| Richwood | $2,098 | $2,479 | $3,143 | $3,693 | $4,433 |
| Sunbury | $2,259 | $3,451 | $5,152 | $7,341 | $9,497 |
| Waldo | $1,208 | $1,593 | $2,552 | $3,864 | $5,307 |
| Westerville | $5,222 | $6,564 | $7,885 | $9,720 | $12,507 |
| Croton | N/A | N/A | N/A | N/A | N/A |
| Harlem Township | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 31 |
Links | |
|---|---|
| Delaware Tax Assessor | |
| Website | auditor.co.delaware.oh.us |