Decatur, Macon County, Illinois Property Taxes
Property Taxes in Decatur, Illinois
Median Decatur, Illinois effective property tax rate: 2.64%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Decatur, Illinois home value: $87,374
Median annual Decatur, Illinois tax bill: $2,070, $330 lower than the national median property tax bill of $2,400.
How are property taxes in Macon calculated?
Property taxes in Decatur, 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 Decatur's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Decatur, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Decatur, Macon County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.64%
Estimate Property Tax Bill
$2,307
$2,141
How Does the Decatur Property Tax Calculator Work?
Use this Decatur property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Decatur's median effective tax rate of 2.64% — based on actual property records in Macon County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Decatur'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 Decatur: rates range from $1,905 in 62526 to $3,166 in 62523, 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 Decatur.
About Decatur Property Taxes
About Property Taxes in Decatur, Macon, Illinois
Decatur’s median effective property tax rate of 2.64% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Macon 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 Decatur. Homeowners in the 62523 ZIP code carry a median effective rate of 3.23%, while those in 62521 pay 2.56%. This spread of 0.67 percentage points across the same city reflects how school district boundaries and local assessment districts are drawn across Macon County. Understanding which part of Decatur you live in can make a meaningful difference to your annual tax bill.
Decatur 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 Decatur, Macon 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 Decatur'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 Decatur Tax Rate
2.64%
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 Macon County Tax Rate
2.49%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Decatur, Macon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62521 | 1.51% | 1.96% | 2.56% | 3.23% | 3.23% |
| 62522 | 1.61% | 2.20% | 2.67% | 3.23% | 3.23% |
| 62523 | 2.73% | 3.02% | 3.23% | 3.23% | 3.23% |
| 62526 | 1.48% | 2.17% | 2.71% | 3.23% | 3.23% |
| 62525 | N/A | N/A | N/A | N/A | N/A |
| 62573 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Decatur, Macon County, Illinois
When examining property taxes in Decatur, 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 Macon 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 Macon 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. For Decatur, the median home price is $87,374, with tax bills ranging significantly across the county. Zip code 62523 has the highest median home price at $119,605.
Property Tax Assessment Values Across Decatur, Macon County, Illinois
Source: Ownwell
$77,131
$189,499
$301,866
Median Decatur Market Value
$87,374
Median Macon County Market Value
$102,602
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Decatur, Macon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62521 | $22,015 | $39,746 | $99,162 | $157,472 | $248,361 |
| 62522 | $21,088 | $42,164 | $77,131 | $119,385 | $166,796 |
| 62523 | $21,130 | $75,336 | $119,605 | $140,226 | $177,864 |
| 62526 | $20,276 | $33,098 | $79,614 | $126,646 | $177,613 |
| 62525 | N/A | N/A | N/A | N/A | N/A |
| 62573 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Decatur, Macon County, Illinois
Property tax bills in Decatur are calculated by applying the local tax rate to a home’s assessed value, which is based on the property’s market value. The assessed value is then used to determine how much tax a homeowner owes to local governments and schools. For Decatur homeowners, the median home price is $87,374, and tax bills can vary widely depending on location, property characteristics, and exemptions.
The 25th percentile tax bill is $906, while the 75th percentile tax bill is $3,497. At the high end, the 90th percentile tax bill reaches $5,393, showing how much bills can rise for higher-valued or more heavily taxed properties. By ZIP code, the highest median tax bill is $3,166 in 62523, compared with $1,905 in 62526. These differences can have a major effect on homeowners, since a higher assessed value or fewer exemptions can lead to a larger annual bill.
Median Decatur Tax Bill
$2,070
Median Macon County Tax Bill
$2,391
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Decatur, Macon County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62521 | $513 | $972 | $2,244 | $3,886 | $6,241 |
| 62522 | $526 | $987 | $1,922 | $3,067 | $4,381 |
| 62523 | $1,000 | $2,211 | $3,166 | $4,238 | $5,885 |
| 62526 | $456 | $804 | $1,905 | $3,282 | $4,936 |
| 62525 | N/A | N/A | N/A | N/A | N/A |
| 62573 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Macon Tax Assessor | |
| Website | www.propertytax.maconcounty.illinois.gov |