St. Clair County, Illinois Property Taxes
Census Bureau ACS property tax data for Illinois. Population: 68,653.
The median annual property tax in St. Clair County is $3,533, which is 27% higher than the Illinois state average and 84% above the national average. The effective tax rate is 2.09% on a median home value of $168,800. Property taxes represent 5.0% of the median household income in this county.
Median Annual Tax
$3,533
+27% vs State
+84% vs US
Median Home Value
$168,800
+16% vs State
-20% vs US
Effective Tax Rate
2.09%
+14% vs State
+120% vs US
With vs Without Mortgage
With Mortgage
$4,082
$340/mo
Without Mortgage
$2,745
$229/mo
Homeowners with a mortgage typically own higher-valued properties, which can result in higher tax bills.
Property Tax History
| Year | Median Tax | Effective Rate |
|---|---|---|
| 2023 | $3,533 +2.6% | 2.09% |
| 2022 | $3,444 +8.7% | 2.17% |
| 2021 | $3,169 +6.0% | 2.25% |
| 2020 | $2,990 +4.3% | 2.22% |
| 2019 | $2,868 | 2.24% |
Tax Burden
Tax-to-Income Ratio
5.0%
of median household income
Median Income
$70,178
per year
Monthly Tax
$294
per month
Other Counties in Illinois
Wayne County
Tax: $1,670/yr Rate: 1.53%
Jackson County
Tax: $2,385/yr Rate: 1.91%
Hardin County
Tax: $1,078/yr Rate: 1.18%
Knox County
Tax: $2,044/yr Rate: 1.95%
Carroll County
Tax: $2,308/yr Rate: 2.03%
Woodford County
Tax: $4,224/yr Rate: 2.18%
Frequently Asked Questions
What is the average property tax in St. Clair County, Illinois? ▼
The median annual property tax in St. Clair County is $3,533 based on the most recent Census Bureau American Community Survey data. The effective tax rate is 2.09% on a median home value of $168,800.
How does St. Clair County property tax compare to the national average? ▼
Property taxes in St. Clair County are 84% above the national average of $1,923. The effective rate of 2.09% compares to 0.95% nationally.
Does having a mortgage affect property taxes in St. Clair County? ▼
In St. Clair County, homeowners with a mortgage pay a median of $4,082 in annual property taxes, while homeowners without a mortgage pay $2,745. This difference often reflects the value of homes rather than different tax rates.
What percentage of income goes to property taxes in St. Clair County? ▼
Property taxes in St. Clair County represent approximately 5.0% of the median household income of $70,178. The national benchmark is generally 2-4% of household income.
Explore More Data
Data source: U.S. Census Bureau, American Community Survey 5-Year Estimates. Property tax data reflects median amounts paid by homeowners. Effective rates are calculated as median tax divided by median home value.