Piatt County, Illinois Property Taxes
Property Taxes in Piatt County, Illinois
Median Piatt County effective property tax rate: 2.65%, significantly higher than the national median of 1.02%.
Median Piatt County home value: $166,368
Median annual Piatt County tax bill: $4,789, $2,389 higher than the national median property tax bill of $2,400.
How are property taxes in Piatt County calculated?
Property taxes in Piatt 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 Piatt County's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Piatt County or another part of the county, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Piatt County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.65%
Estimate Property Tax Bill
$4,409
$4,091
How Does the Piatt County Property Tax Calculator Work?
Use this Piatt County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Piatt County's median effective tax rate of 2.65% 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. Piatt County's median effective tax rate is higher than Illinois' 2.33% median rate and far above the national median property tax rate of 1.02%. The county's median property tax bill is $4,789, which is $2,389 higher than the state median and well above the 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 Piatt County.
Property Tax Rates Across Piatt County, Illinois
What Are Effective Property Tax Rates Across Piatt County?
Local government entities set tax rates, which vary widely across Piatt 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 Piatt County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.
Piatt County's median effective rate stands at 2.65%, which is higher than the national median of 1.02%. Within Piatt County, the highest rate is found in FARMER CITY at 3.64%, while MONTICELLO has the lowest at 2.08%.
These variations reflect differences in local school district levies, Special service areas (SSAs) 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 Piatt County Tax Rate
2.65%
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 Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Piatt County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Atwood | 2.56% | 2.71% | 2.80% | 3.13% | 3.24% |
| Bement | 2.66% | 2.92% | 3.07% | 3.42% | 3.75% |
| Cisco | 1.83% | 2.25% | 2.67% | 2.86% | 8.40% |
| De Land | 2.67% | 2.77% | 2.97% | 3.21% | 3.53% |
| Farmer City | 3.25% | 3.41% | 3.64% | 3.77% | 3.81% |
| Mansfield | 2.43% | 2.89% | 3.39% | 3.56% | 3.75% |
| Monticello | 1.76% | 2.03% | 2.08% | 2.49% | 2.79% |
| Cerro Gordo | N/A | N/A | N/A | N/A | N/A |
| Hammond | N/A | N/A | N/A | N/A | N/A |
| La Place | N/A | N/A | N/A | N/A | N/A |
| Lovington | N/A | N/A | N/A | N/A | N/A |
| Mahomet | N/A | N/A | N/A | N/A | N/A |
| Milmine | N/A | N/A | N/A | N/A | N/A |
| Seymour | N/A | N/A | N/A | N/A | N/A |
| Weldon | N/A | N/A | N/A | N/A | N/A |
| White Heath | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Piatt County, Illinois
When examining property taxes in Piatt 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 Piatt County assessment office 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 Piatt 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 Piatt County.
For example, the median tax bill in Piatt County is $4,789, with tax bills ranging significantly across the county. De Land has the highest median home price at $305,199.
Median Piatt County Market Value
$166,368
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Piatt County, Illinois
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Atwood | $52,035 | $99,426 | $154,125 | $222,486 | $244,294 |
| Bement | $4,711 | $81,968 | $185,616 | $286,864 | $417,931 |
| Cisco | $7,722 | $89,414 | $143,265 | $225,501 | $449,290 |
| De Land | $102,687 | $157,137 | $305,199 | $412,236 | $664,938 |
| Farmer City | $19,855 | $132,846 | $185,325 | $389,829 | $855,966 |
| Mansfield | $70,060 | $116,592 | $208,784 | $325,431 | $401,072 |
| Monticello | $39,541 | $112,514 | $156,591 | $245,957 | $414,099 |
| Cerro Gordo | N/A | N/A | N/A | N/A | N/A |
| Hammond | N/A | N/A | N/A | N/A | N/A |
| La Place | N/A | N/A | N/A | N/A | N/A |
| Lovington | N/A | N/A | N/A | N/A | N/A |
| Mahomet | N/A | N/A | N/A | N/A | N/A |
| Milmine | N/A | N/A | N/A | N/A | N/A |
| Seymour | N/A | N/A | N/A | N/A | N/A |
| Weldon | N/A | N/A | N/A | N/A | N/A |
| White Heath | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Piatt County, Illinois
Property tax bills in Piatt County are based on a home’s assessed value and the local tax rate set by taxing authorities. When a property’s market value rises, the assessed value can increase as well, which often leads to a higher tax bill. For homeowners, that means taxes are not fixed and can change from year to year depending on local assessments and levy decisions.
With a median home price of $166,368, property taxes can still vary widely across the county. The median tax bill is $3,695 in Monticello and $9,518 in De Land, showing how location can affect what homeowners pay. Across the county, the 25th percentile tax bill is $2,873, the 75th percentile is $8,499, and the 90th percentile is $13,592.
Compared with the national median property tax rate of 1.02% and national median tax bill of $2,400, Piatt County homeowners often face higher bills, making it important to understand how assessments influence annual costs.
Median Piatt County Tax Bill
$4,789
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Piatt County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Atwood | $2,005 | $2,774 | $4,113 | $6,432 | $8,114 |
| Bement | $1,941 | $3,294 | $6,559 | $9,854 | $14,137 |
| Cisco | $1,633 | $2,435 | $5,002 | $8,839 | $15,323 |
| De Land | $3,476 | $4,532 | $9,518 | $15,219 | $21,112 |
| Farmer City | $3,353 | $4,769 | $7,472 | $14,771 | $31,417 |
| Mansfield | $2,718 | $3,969 | $6,779 | $11,017 | $13,917 |
| Monticello | $1,844 | $2,558 | $3,695 | $6,466 | $11,503 |
| Cerro Gordo | N/A | N/A | N/A | N/A | N/A |
| Hammond | N/A | N/A | N/A | N/A | N/A |
| La Place | N/A | N/A | N/A | N/A | N/A |
| Lovington | N/A | N/A | N/A | N/A | N/A |
| Mahomet | N/A | N/A | N/A | N/A | N/A |
| Milmine | N/A | N/A | N/A | N/A | N/A |
| Seymour | N/A | N/A | N/A | N/A | N/A |
| Weldon | N/A | N/A | N/A | N/A | N/A |
| White Heath | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Piatt Tax Assessor | |
| Website | piattil.devnetwedge.com |