Buffalo, Sangamon County, Illinois Property Taxes
Property Taxes in Buffalo, Illinois
Median Buffalo, Illinois effective property tax rate: 1.93%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Buffalo, Illinois home value: $124,592
Median annual Buffalo, Illinois tax bill: $2,268, $132 lower than the national median property tax bill of $2,400.
How are property taxes in Sangamon calculated?
Property taxes in Buffalo, 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 Buffalo's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Buffalo, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Buffalo, Sangamon County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.93%
Estimate Property Tax Bill
$2,405
$2,231
How Does the Buffalo Property Tax Calculator Work?
Use this Buffalo property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Buffalo's median effective tax rate of 1.93% — based on actual property records in Sangamon County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Buffalo'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 Buffalo: rates range from 2.93% in 62515 to 2.93% in 62515, 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 Buffalo.
About Buffalo Property Taxes
About Property Taxes in Buffalo, Sangamon, Illinois
Buffalo’s median effective property tax rate of 1.93% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Sangamon 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 Buffalo. Homeowners in the 62515 ZIP code carry a median effective rate of 1.93%, while those in the same ZIP code also pay 1.93%. This reflects how school district boundaries and local assessment districts are drawn across Sangamon County. Understanding which part of Buffalo you live in can make a meaningful difference to your annual tax bill.
Buffalo 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 Buffalo, Sangamon 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 Buffalo'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 Buffalo Tax Rate
1.93%
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 Sangamon County Tax Rate
2.28%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Buffalo, Sangamon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62515 | 1.60% | 1.78% | 1.93% | 2.20% | 2.20% |
Source: Ownwell
Property Tax Assessment Values Across Buffalo, Sangamon County, Illinois
When examining property taxes in Buffalo, 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 Sangamon 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 Sangamon 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 Buffalo.
For example, the median home price in Buffalo is $124,592, with tax bills ranging significantly across the county. 62515 has the highest median home price at $124,592.
Property Tax Assessment Values Across Buffalo, Sangamon County, Illinois
Source: Ownwell
$62,115
$177,204
$292,293
Median Buffalo Market Value
$124,592
Median Sangamon County Market Value
$152,802
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Buffalo, Sangamon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62515 | $29,677 | $82,214 | $124,592 | $185,648 | $247,512 |
Source: Ownwell
Property Tax Bills Across Buffalo, Sangamon County, Illinois
Property tax bills in Buffalo are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property is reassessed, the tax bill can change if the home’s market value or the local levy changes. For homeowners, this means the amount owed is tied to both the value of the property and the needs of local services funded by property taxes.
In Buffalo, the median home price is $124,592, and the median tax bill is $2,268 in ZIP code 62515. That is slightly below the national median property tax bill of $2,400, but bills can still vary widely across homes. The 25th percentile tax bill is $1,333, while the 75th percentile is $3,510 and the 90th percentile reaches $4,876. This range shows how property taxes can affect homeowners differently depending on assessed value and local rates.
Median Buffalo Tax Bill
$2,268
Median Sangamon County Tax Bill
$3,372
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Buffalo, Sangamon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62515 | $523 | $1,333 | $2,268 | $3,510 | $4,876 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Sangamon Tax Assessor | |
| Website | tax.co.sangamon.il.us |