PropertyTaxPeek

St. Charles County, MO vs Williamson County, TX

Property Tax Rate Comparison 2025

Quick Answer

St. Charles County, MO: 0.92% effective rate · $2,048/yr median tax · median home $222,619

Williamson County, TX: 1.93% effective rate · $6,507/yr median tax · median home $337,157

Side-by-Side Comparison

MetricSt. Charles County, MOWilliamson County, TXNational Avg
Effective Tax Rate0.92%1.93%1.06%
Median Annual Tax$2,048$6,507$2,778
Median Home Value$222,619$337,157$268,728
Population405,262609,017

St. Charles County, MO

Effective Rate
0.92%
Median Annual Tax
$2,048
Median Home Value
$222,619
Population
405,262
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Williamson County, TX

Effective Rate
1.93%
Median Annual Tax
$6,507
Median Home Value
$337,157
Population
609,017
Full profile →

Frequently Asked Questions

What is the property tax difference between St. Charles County and Williamson County?
St. Charles County, MO has an effective property tax rate of 0.92% with a median annual tax of $2,048. Williamson County, TX has a rate of 1.93% with a median annual tax of $6,507. The difference is 1.01 percentage points.
Which county has higher property taxes, St. Charles County or Williamson County?
Williamson County, TX has the higher effective property tax rate at 1.93% compared to 0.92%.
How do St. Charles County and Williamson County compare to the national average?
The national average effective property tax rate is 1.06%. St. Charles County is below average at 0.92%, and Williamson County is above average at 1.93%.