Thayer, Sangamon County, Illinois Property Taxes
Property Taxes in Thayer, Illinois
Median Thayer, Illinois effective property tax rate: 2.11%, significantly higher than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Thayer, Illinois home value: $62,115
Median annual Thayer, Illinois tax bill: $1,187, $1,213 lower than the national median property tax bill of $2,400.
How are property taxes in Sangamon calculated?
Property taxes in Thayer, 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 Thayer's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Thayer, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Thayer, Sangamon County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.11%
Estimate Property Tax Bill
$1,311
$1,216
How Does the Thayer Property Tax Calculator Work?
Use this Thayer property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Thayer's median effective tax rate of 2.11% — 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 Thayer'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 Thayer: rates range from 2.11% in 62689 to 2.11% in 62689, 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 Thayer.
About Thayer Property Taxes
About Property Taxes in Thayer, Sangamon, Illinois
Thayer’s median effective property tax rate of 2.11% 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 Thayer. Homeowners in the 62689 ZIP code carry a median effective rate of 2.11%, while those in the same ZIP code also pay 2.11%. This reflects how school district boundaries and local assessment districts are drawn across Sangamon County. Understanding which part of Thayer you live in can make a meaningful difference to your annual tax bill.
Thayer 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 above 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 Thayer, 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 Thayer'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 Ă· 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 Thayer Tax Rate
2.11%
Our median effective property tax rate (tax bill Ă· 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 Thayer, Sangamon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62689 | 1.29% | 1.71% | 2.11% | 2.61% | 2.61% |
Source: Ownwell
Property Tax Assessment Values Across Thayer, Sangamon County, Illinois
When examining property taxes in Thayer, 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 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 Sangamon County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the season.
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 Thayer.
For example, the median home price in Thayer is $62,115, with tax bills ranging significantly across the county. 62689 has the highest median home price at $62,115.
Property Tax Assessment Values Across Thayer, Sangamon County, Illinois
Source: Ownwell
$62,115
$177,204
$292,293
Median Thayer Market Value
$62,115
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 Thayer, Sangamon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62689 | $32,257 | $43,260 | $62,115 | $83,637 | $115,399 |
Source: Ownwell
Property Tax Bills Across Thayer, Sangamon County, Illinois
Property tax bills in Thayer are based on the assessed value of a home and the local tax rates set by taxing authorities. When a property’s market value changes, the assessed value can change too, which affects the final bill homeowners receive. Local budgets for schools, roads, public safety, and other services also influence how much tax is collected.
With a median home price of $62,115, property taxes can still take a meaningful share of a homeowner’s budget. The median tax bill in the area is $1,187, while bills commonly range from $823 at the 25th percentile to $1,783 at the 75th percentile. At the high end, the 90th percentile reaches $2,522, showing how much bills can vary from one home to another.
For homeowners, this means property taxes are not fixed just by homeownership alone. They depend on how the home is valued and how local tax rates are applied, making it important to understand both the assessment and the bill calculation.
Median Thayer Tax Bill
$1,187
Median Sangamon County Tax Bill
$3,372
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Thayer, Sangamon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62689 | $490 | $823 | $1,187 | $1,783 | $2,522 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Sangamon Tax Assessor | |
| Website | tax.co.sangamon.il.us |