PropertyTaxPeek

St. Clair County, IL vs St. Louis County, MO

Property Tax Rate Comparison 2025

Quick Answer

St. Clair County, IL: 2.50% effective rate · $7,492/yr median tax · median home $299,711

St. Louis County, MO: 0.91% effective rate · $1,410/yr median tax · median home $154,973

Side-by-Side Comparison

MetricSt. Clair County, ILSt. Louis County, MONational Avg
Effective Tax Rate2.50%0.91%1.06%
Median Annual Tax$7,492$1,410$2,778
Median Home Value$299,711$154,973$268,728
Population260,0771,004,125

St. Clair County, IL

Effective Rate
2.50%
Median Annual Tax
$7,492
Median Home Value
$299,711
Population
260,077
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St. Louis County, MO

Effective Rate
0.91%
Median Annual Tax
$1,410
Median Home Value
$154,973
Population
1,004,125
Full profile →

Frequently Asked Questions

What is the property tax difference between St. Clair County and St. Louis County?
St. Clair County, IL has an effective property tax rate of 2.50% with a median annual tax of $7,492. St. Louis County, MO has a rate of 0.91% with a median annual tax of $1,410. The difference is 1.59 percentage points.
Which county has higher property taxes, St. Clair County or St. Louis County?
St. Clair County, IL has the higher effective property tax rate at 2.50% compared to 0.91%.
How do St. Clair County and St. Louis County compare to the national average?
The national average effective property tax rate is 1.06%. St. Clair County is above average at 2.50%, and St. Louis County is below average at 0.91%.