St. Tammany Parish, LA vs Williamson County, TX
Property Tax Rate Comparison 2025
Quick Answer
St. Tammany Parish, LA: 0.54% effective rate · $665/yr median tax · median home $123,240
Williamson County, TX: 1.93% effective rate · $6,507/yr median tax · median home $337,157
Side-by-Side Comparison
| Metric | St. Tammany Parish, LA | Williamson County, TX | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.54% | 1.93% | 1.06% |
| Median Annual Tax | $665 | $6,507 | $2,778 |
| Median Home Value | $123,240 | $337,157 | $268,728 |
| Population | 264,570 | 609,017 | — |
St. Tammany Parish, LA
- Effective Rate
- 0.54%
- Median Annual Tax
- $665
- Median Home Value
- $123,240
- Population
- 264,570
Williamson County, TX
- Effective Rate
- 1.93%
- Median Annual Tax
- $6,507
- Median Home Value
- $337,157
- Population
- 609,017
Frequently Asked Questions
What is the property tax difference between St. Tammany Parish and Williamson County?
St. Tammany Parish, LA has an effective property tax rate of 0.54% with a median annual tax of $665. Williamson County, TX has a rate of 1.93% with a median annual tax of $6,507. The difference is 1.39 percentage points.
Which county has higher property taxes, St. Tammany Parish or Williamson County?
Williamson County, TX has the higher effective property tax rate at 1.93% compared to 0.54%.
How do St. Tammany Parish and Williamson County compare to the national average?
The national average effective property tax rate is 1.06%. St. Tammany Parish is below average at 0.54%, and Williamson County is above average at 1.93%.