PropertyTaxPeek

Lake County, IL vs St. Clair County, IL

Property Tax Rate Comparison 2025

Quick Answer

Lake County, IL: 2.37% effective rate · $7,321/yr median tax · median home $308,906

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

Side-by-Side Comparison

MetricLake County, ILSt. Clair County, ILNational Avg
Effective Tax Rate2.37%2.50%1.06%
Median Annual Tax$7,321$7,492$2,778
Median Home Value$308,906$299,711$268,728
Population714,342260,077

Lake County, IL

Effective Rate
2.37%
Median Annual Tax
$7,321
Median Home Value
$308,906
Population
714,342
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St. Clair County, IL

Effective Rate
2.50%
Median Annual Tax
$7,492
Median Home Value
$299,711
Population
260,077
Full profile →

Frequently Asked Questions

What is the property tax difference between Lake County and St. Clair County?
Lake County, IL has an effective property tax rate of 2.37% with a median annual tax of $7,321. St. Clair County, IL has a rate of 2.50% with a median annual tax of $7,492. The difference is 0.13 percentage points.
Which county has higher property taxes, Lake County or St. Clair County?
St. Clair County, IL has the higher effective property tax rate at 2.50% compared to 2.37%.
How do Lake County and St. Clair County compare to the national average?
The national average effective property tax rate is 1.06%. Lake County is above average at 2.37%, and St. Clair County is above average at 2.50%.