King County, WA vs New Castle County, DE
Property Tax Rate Comparison 2025
Quick Answer
King County, WA: 1.01% effective rate · $5,651/yr median tax · median home $559,559
New Castle County, DE: 0.53% effective rate · $2,098/yr median tax · median home $395,882
Side-by-Side Comparison
| Metric | King County, WA | New Castle County, DE | National Avg |
|---|---|---|---|
| Effective Tax Rate | 1.01% | 0.53% | 1.06% |
| Median Annual Tax | $5,651 | $2,098 | $2,778 |
| Median Home Value | $559,559 | $395,882 | $268,728 |
| Population | 2,269,675 | 570,719 | — |
King County, WA
- Effective Rate
- 1.01%
- Median Annual Tax
- $5,651
- Median Home Value
- $559,559
- Population
- 2,269,675
New Castle County, DE
- Effective Rate
- 0.53%
- Median Annual Tax
- $2,098
- Median Home Value
- $395,882
- Population
- 570,719
Frequently Asked Questions
What is the property tax difference between King County and New Castle County?
King County, WA has an effective property tax rate of 1.01% with a median annual tax of $5,651. New Castle County, DE has a rate of 0.53% with a median annual tax of $2,098. The difference is 0.48 percentage points.
Which county has higher property taxes, King County or New Castle County?
King County, WA has the higher effective property tax rate at 1.01% compared to 0.53%.
How do King County and New Castle 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 New Castle County is below average at 0.53%.