Alton, Macoupin County, Illinois Property Taxes
Property Taxes in Alton, Illinois
Median Alton, Illinois effective property tax rate: 1.66%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Alton, Illinois home value: $168,621
Median annual Alton, Illinois tax bill: $2,467, $67 higher than the national median property tax bill of $2,400.
How are property taxes in Macoupin calculated?
Property taxes in Alton, 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 Alton's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Alton, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Alton, Macoupin County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.66%
Estimate Property Tax Bill
$2,799
$2,597
How Does the Alton Property Tax Calculator Work?
Use this Alton property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Alton's median effective tax rate of 1.66% — based on actual property records in Macoupin 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 Alton'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 Alton: rates range from 1.66% in 62002 to 1.66% in 62002, 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 Alton.
About Alton Property Taxes
About Property Taxes in Alton, Macoupin, Illinois
Alton’s median effective property tax rate of 1.66% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Macoupin County base levy combined with local school district levies and special service areas (SSAs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Alton. Homeowners in the 62002 ZIP code carry a median effective rate of 1.66%, while those in the same ZIP code also pay 1.66%. This reflects how school district boundaries and local assessment districts are drawn across Macoupin County. Understanding where you live in Alton can make a meaningful difference to your annual tax bill.
Alton 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 Alton, Macoupin 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 Alton'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 Alton Tax Rate
1.66%
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 Macoupin County Tax Rate
1.75%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Alton, Macoupin County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62002 | 1.07% | 1.56% | 1.66% | 1.74% | 1.82% |
Source: Ownwell
Property Tax Assessment Values Across Alton, Macoupin County, Illinois
When examining property taxes in Alton, 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 Macoupin 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 Macoupin County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.
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 context, the median home price in Alton is $168,621, and the median property tax bill is $2,467, which is above the national median property tax bill of $2,400 and close to the national median property tax rate of 1.02%. In 62002, the highest median home price is $168,621.
Property Tax Assessment Values Across Alton, Macoupin County, Illinois
Source: Ownwell
$31,347
$139,818
$248,289
Median Alton Market Value
$168,621
Median Macoupin County Market Value
$93,672
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Alton, Macoupin County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62002 | $54,806 | $118,737 | $168,621 | $214,941 | $264,475 |
Source: Ownwell
Property Tax Bills Across Alton, Macoupin County, Illinois
Property tax bills in Alton are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. Local taxing bodies, including schools and municipal services, help determine the final bill, so the amount can vary even among homes with similar market values.
With a median home price of $168,621, homeowners in Alton often see tax bills that reflect both property value and local levy decisions. The median tax bill is $2,467, which is above the national median property tax bill of $2,400 and slightly above the national median property tax rate of 1.02%.
For many homeowners, this means property taxes can be a significant part of annual housing costs. Bills in the area also vary widely, with the 25th percentile at $1,639 and the 75th percentile at $3,599, showing how much assessed value and local rates can affect what a homeowner pays.
Median Alton Tax Bill
$2,467
Median Macoupin County Tax Bill
$1,566
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Alton, Macoupin County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62002 | $664 | $1,639 | $2,467 | $3,599 | $4,622 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Macoupin Tax Assessor | |
| Website | macoupinil.devnetwedge.com |