Trenton, St. Clair County, Illinois Property Taxes
Median Trenton, IL effective property tax rate: 2.43%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Trenton, IL home value: $155,810
Median annual Trenton, IL tax bill: $3,677, $1,277 higher than the national median property tax bill of $2,400.
How are property taxes in St. Clair County calculated?
Property taxes in Trenton, IL 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 Trenton’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Trenton, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Trenton, St. Clair County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.43%
Estimate Property Tax Bill
$3,786
$3,513
Property Tax Rates Across Trenton, St. Clair County, Illinois
Local government entities in Illinois, like those in other states, set property tax rates that can vary significantly from one area to another. Each year, counties such as St. Clair estimate their required budget to fund essential services and then divide that by the total value of all taxable property within their jurisdiction. This calculation determines the property tax rate. Although the process involves votes and legislation, this annual procedure is the essence of how property tax rates are established.
For instance, Trenton in St. Clair County has an effective property tax rate of 2.43%, which is notably higher than the national median property tax rate of 1.02%. This means that property owners in Trenton pay a higher percentage of their property's assessed value in taxes compared to the national average. Additionally, the median property tax bill in Trenton would exceed the national median of $2,400, reflecting the higher tax rate. Understanding these variations can help property owners better navigate their financial responsibilities and explore potential tax appeal opportunities.
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 Trenton Tax Rate
2.43%
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
2.55%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Trenton, St. Clair County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
62293 | 1.95% | 2.22% | 2.43% | 2.73% | 2.77% |
Source: Ownwell
Property Tax Assessment Values Across Trenton, St. Clair County, Illinois
When examining property taxes in Trenton, 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 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.
In St. Clair County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Trenton.
For example, the median home price in Trenton is $155,810, with tax bills ranging significantly across the county. Zip code 62293 has the highest median home price at $155,810.
Property Tax Assessment Values Across Trenton, St. Clair County, Illinois
Source: Ownwell

$15,501
$141,572
$267,642
Median Trenton Market Value
$155,810
Median St. Clair County Market Value
$110,946
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Trenton, St. Clair County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
62293 | $62,809 | $103,874 | $155,810 | $222,260 | $297,710 |
Source: Ownwell
Property Tax Bills Across Trenton, St. Clair County, Illinois
In Trenton, St. Clair County, IL, property tax bills are determined by multiplying the assessed value of a home by the local tax rate. The assessed value is a percentage of the home's market value, which is influenced by factors such as location, size, and condition. Homeowners in Trenton face a median property tax bill of $3,677, which is significantly higher than the national median of $2,400. This can be a considerable financial burden, especially when compared to the national median property tax rate of 1.02%.
Ownwell offers a solution to help homeowners potentially lower their property tax bills. By providing expert property tax appeal services, Ownwell can assist in challenging over-assessments, ensuring that homeowners are not overpaying. With a deep understanding of local tax laws and market trends, Ownwell's team works to secure the fairest tax assessment possible. This not only alleviates financial pressure but also provides peace of mind, knowing that your property taxes are in expert hands.
Median Trenton Tax Bill
$3,677
Median St. Clair County Tax Bill
$2,735
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Trenton, St. Clair County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
62293 | $1,147 | $2,340 | $3,677 | $5,282 | $7,509 |
Source: Ownwell