King County, WA vs Williamson County, TX
Property Tax Rate Comparison 2025
Quick Answer
King County, WA: 1.01% effective rate · $5,651/yr median tax · median home $559,559
Williamson County, TX: 1.93% effective rate · $6,507/yr median tax · median home $337,157
Side-by-Side Comparison
| Metric | King County, WA | Williamson County, TX | National Avg |
|---|---|---|---|
| Effective Tax Rate | 1.01% | 1.93% | 1.06% |
| Median Annual Tax | $5,651 | $6,507 | $2,778 |
| Median Home Value | $559,559 | $337,157 | $268,728 |
| Population | 2,269,675 | 609,017 | — |
King County, WA
- Effective Rate
- 1.01%
- Median Annual Tax
- $5,651
- Median Home Value
- $559,559
- Population
- 2,269,675
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 King County and Williamson County?
King County, WA has an effective property tax rate of 1.01% with a median annual tax of $5,651. Williamson County, TX has a rate of 1.93% with a median annual tax of $6,507. The difference is 0.92 percentage points.
Which county has higher property taxes, King County or Williamson County?
Williamson County, TX has the higher effective property tax rate at 1.93% compared to 1.01%.
How do King County and Williamson County compare to the national average?
The national average effective property tax rate is 1.06%. King County is below average at 1.01%, and Williamson County is above average at 1.93%.