Ada County, ID vs King County, WA
Property Tax Rate Comparison 2025
Quick Answer
Ada County, ID: 0.70% effective rate · $1,702/yr median tax · median home $243,199
King County, WA: 1.01% effective rate · $5,651/yr median tax · median home $559,559
Side-by-Side Comparison
| Metric | Ada County, ID | King County, WA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.70% | 1.01% | 1.06% |
| Median Annual Tax | $1,702 | $5,651 | $2,778 |
| Median Home Value | $243,199 | $559,559 | $268,728 |
| Population | 494,967 | 2,269,675 | — |
Ada County, ID
- Effective Rate
- 0.70%
- Median Annual Tax
- $1,702
- Median Home Value
- $243,199
- Population
- 494,967
King County, WA
- Effective Rate
- 1.01%
- Median Annual Tax
- $5,651
- Median Home Value
- $559,559
- Population
- 2,269,675
Frequently Asked Questions
What is the property tax difference between Ada County and King County?
Ada County, ID has an effective property tax rate of 0.70% with a median annual tax of $1,702. King County, WA has a rate of 1.01% with a median annual tax of $5,651. The difference is 0.31 percentage points.
Which county has higher property taxes, Ada County or King County?
King County, WA has the higher effective property tax rate at 1.01% compared to 0.70%.
How do Ada County and King County compare to the national average?
The national average effective property tax rate is 1.06%. Ada County is below average at 0.70%, and King County is below average at 1.01%.