Cook County, IL vs King County, WA
Property Tax Rate Comparison 2025
Quick Answer
Cook County, IL: 2.29% effective rate · $3,716/yr median tax · median home $162,297
King County, WA: 1.01% effective rate · $5,651/yr median tax · median home $559,559
Side-by-Side Comparison
| Metric | Cook County, IL | King County, WA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 2.29% | 1.01% | 1.06% |
| Median Annual Tax | $3,716 | $5,651 | $2,778 |
| Median Home Value | $162,297 | $559,559 | $268,728 |
| Population | 5,275,541 | 2,269,675 | — |
Cook County, IL
- Effective Rate
- 2.29%
- Median Annual Tax
- $3,716
- Median Home Value
- $162,297
- Population
- 5,275,541
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 Cook County and King County?
Cook County, IL has an effective property tax rate of 2.29% with a median annual tax of $3,716. King County, WA has a rate of 1.01% with a median annual tax of $5,651. The difference is 1.28 percentage points.
Which county has higher property taxes, Cook County or King County?
Cook County, IL has the higher effective property tax rate at 2.29% compared to 1.01%.
How do Cook County and King County compare to the national average?
The national average effective property tax rate is 1.06%. Cook County is above average at 2.29%, and King County is below average at 1.01%.