Collinsville, St. Clair County, Illinois Property Taxes
Property Taxes in Collinsville, Illinois
Median Collinsville, Illinois effective property tax rate: 2.14%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Collinsville, Illinois home value: $110,703
Median annual Collinsville, Illinois tax bill: $2,179, $221 lower than the national median property tax bill of $2,400.
How are property taxes in St. Clair calculated?
Property taxes in Collinsville, 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 Collinsville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Collinsville, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Collinsville, St. Clair County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.14%
Estimate Property Tax Bill
$2,369
$2,198
How Does the Collinsville Property Tax Calculator Work?
Use this Collinsville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Collinsville's median effective tax rate of 2.14% — based on actual property records in St. Clair County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Collinsville'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 Collinsville: rates range from 2.14% in 62234 to 2.14% in 62234, 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 Collinsville.
About Collinsville Property Taxes
About Property Taxes in Collinsville, St. Clair, Illinois
Collinsville's median effective property tax rate of 2.14% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the St. Clair 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 Collinsville. Homeowners in the 62234 ZIP code carry a median effective rate of 2.14%, while those in the lowest ZIP also pay 2.14%. This spread reflects how school district boundaries and local assessment districts are drawn across St. Clair County. Understanding which part of Collinsville you live in can make a meaningful difference to your annual tax bill.
Collinsville 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 Collinsville, St. Clair 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 Collinsville'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 Collinsville Tax Rate
2.14%
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 St. Clair County Tax Rate
2.51%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Collinsville, St. Clair County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62234 | 1.43% | 1.92% | 2.14% | 2.33% | 2.59% |
Source: Ownwell
Property Tax Assessment Values Across Collinsville, St. Clair County, Illinois
When examining property taxes in Collinsville, 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 St. Clair 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 St. Clair 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 example, the median home price in Collinsville is $110,703, with a median tax bill of $2,179. The highest median home price is in zip code 62234.
Property Tax Assessment Values Across Collinsville, St. Clair County, Illinois
Source: Ownwell
$18,168
$156,686
$295,204
Median Collinsville Market Value
$110,703
Median St. Clair County Market Value
$123,447
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Collinsville, St. Clair County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62234 | $13,353 | $37,713 | $110,703 | $166,116 | $208,836 |
Source: Ownwell
Property Tax Bills Across Collinsville, St. Clair County, Illinois
Property tax bills in Collinsville are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the tax rate to that assessment, and the final bill reflects the mix of city, county, school, and other local levies that fund public services. For homeowners, that means two homes with similar market values can still receive different bills if their assessed values or exemptions differ.
In Collinsville, the median home price is $110,703, and the median property tax bill is $2,179, which is below the national median property tax bill of $2,400. Bills can vary widely: the 25th percentile is $765, while the 75th percentile is $3,410 and the 90th percentile reaches $4,468. The highest and lowest median tax bill is $2,179 in ZIP code 62234.
Median Collinsville Tax Bill
$2,179
Median St. Clair County Tax Bill
$2,978
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Collinsville, St. Clair County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62234 | $233 | $765 | $2,179 | $3,410 | $4,468 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| St. Clair Tax Assessor | |
| Website | stclairil.devnetwedge.com |