Cook County, IL vs San Mateo County, CA
Property Tax Rate Comparison 2025
Quick Answer
Cook County, IL: 2.29% effective rate · $3,716/yr median tax · median home $162,297
San Mateo County, CA: 0.61% effective rate · $3,397/yr median tax · median home $556,910
Side-by-Side Comparison
| Metric | Cook County, IL | San Mateo County, CA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 2.29% | 0.61% | 1.06% |
| Median Annual Tax | $3,716 | $3,397 | $2,778 |
| Median Home Value | $162,297 | $556,910 | $268,728 |
| Population | 5,275,541 | 764,442 | — |
Cook County, IL
- Effective Rate
- 2.29%
- Median Annual Tax
- $3,716
- Median Home Value
- $162,297
- Population
- 5,275,541
San Mateo County, CA
- Effective Rate
- 0.61%
- Median Annual Tax
- $3,397
- Median Home Value
- $556,910
- Population
- 764,442
Frequently Asked Questions
What is the property tax difference between Cook County and San Mateo County?
Cook County, IL has an effective property tax rate of 2.29% with a median annual tax of $3,716. San Mateo County, CA has a rate of 0.61% with a median annual tax of $3,397. The difference is 1.68 percentage points.
Which county has higher property taxes, Cook County or San Mateo County?
Cook County, IL has the higher effective property tax rate at 2.29% compared to 0.61%.
How do Cook County and San Mateo 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 San Mateo County is below average at 0.61%.