Potomac, Vermilion County, Illinois Property Taxes
Property Taxes in Potomac, Illinois
Median Potomac, Illinois effective property tax rate: 2.44%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Potomac, Illinois home value: $95,502
Median annual Potomac, Illinois tax bill: $2,069, lower than the national median property tax bill of $2,400.
How are property taxes in Vermilion calculated?
Property taxes in Potomac, Illinois 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 Potomac's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Potomac, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Potomac, Vermilion County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.44%
Estimate Property Tax Bill
$2,330
$2,162
How Does the POTOMAC Property Tax Calculator Work?
Use this POTOMAC property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies POTOMAC's median effective tax rate of 2.44% — based on actual property records in Vermilion County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies POTOMAC'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 POTOMAC: rates range from 2.44% in 61865 to 2.44% in 61865, 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 POTOMAC.
About Potomac Property Taxes
About Property Taxes in Potomac, Vermilion, Illinois
Potomac’s median effective property tax rate of 2.44% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Vermilion County base levy combined with local school district levies and special service areas that vary by subdivision throughout the city.
Property tax rates are not uniform across Potomac. Homeowners in ZIP code 61865 carry a median effective rate of 2.44%, and the same ZIP also has the lowest rate in the city. That reflects how local tax districts are drawn across Vermilion County, and it can make a meaningful difference to your annual tax bill.
Potomac homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the June 1, 2026 deadline each year.
If your estimated bill 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 Potomac, Vermilion County, Illinois
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 Potomac's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois 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 Potomac Tax Rate
2.44%
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 Vermilion County Tax Rate
2.41%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Potomac, Vermilion County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61865 | 1.40% | 2.08% | 2.44% | 2.70% | 3.00% |
Source: Ownwell
Property Tax Assessment Values Across Potomac, Vermilion County, Illinois
When examining property taxes in Potomac, Illinois, 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 Vermilion County appraisal district 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 Vermilion County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Potomac.
For example, the median home price in Potomac is $95,502, with tax bills ranging significantly across the county. 61865 has the highest median home price at $95,502.
Property Tax Assessment Values Across Potomac, Vermilion County, Illinois
Source: Ownwell
$40,404
$93,296
$146,187
Median Potomac Market Value
$95,502
Median Vermilion County Market Value
$73,644
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Potomac, Vermilion County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61865 | $34,621 | $57,118 | $95,502 | $134,904 | $199,957 |
Source: Ownwell
Property Tax Bills Across Potomac, Vermilion County, Illinois
Property tax bills in Potomac are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the property tax rate to that assessed value to determine the annual bill, and the final amount can change when home values or tax rates change. For a home with a median value of $95,502, the tax bill reflects how the property is assessed within Vermilion County and how local levies are set.
What homeowners pay can vary widely. The 25th percentile tax bill is $1,166, while the 75th percentile is $3,364 and the 90th percentile reaches $5,020. The median tax bill in the area is $2,069, which is below the national median property tax bill of $2,400 and well under the national median property tax rate of 1.02%.
For homeowners, this means property taxes can be a major part of housing costs, especially if a home is assessed higher than similar properties nearby.
Median Potomac Tax Bill
$2,069
Median Vermilion County Tax Bill
$1,557
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Potomac, Vermilion County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61865 | $583 | $1,166 | $2,069 | $3,364 | $5,020 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Vermilion Tax Assessor | |
| Website | vermilionil.devnetwedge.com |