Cook County, IL vs St. Clair County, IL
Property Tax Rate Comparison 2025
Quick Answer
Cook County, IL: 2.29% effective rate · $3,716/yr median tax · median home $162,297
St. Clair County, IL: 2.50% effective rate · $7,492/yr median tax · median home $299,711
Side-by-Side Comparison
| Metric | Cook County, IL | St. Clair County, IL | National Avg |
|---|---|---|---|
| Effective Tax Rate | 2.29% | 2.50% | 1.06% |
| Median Annual Tax | $3,716 | $7,492 | $2,778 |
| Median Home Value | $162,297 | $299,711 | $268,728 |
| Population | 5,275,541 | 260,077 | — |
Cook County, IL
- Effective Rate
- 2.29%
- Median Annual Tax
- $3,716
- Median Home Value
- $162,297
- Population
- 5,275,541
St. Clair County, IL
- Effective Rate
- 2.50%
- Median Annual Tax
- $7,492
- Median Home Value
- $299,711
- Population
- 260,077
Frequently Asked Questions
What is the property tax difference between Cook County and St. Clair County?
Cook County, IL has an effective property tax rate of 2.29% with a median annual tax of $3,716. St. Clair County, IL has a rate of 2.50% with a median annual tax of $7,492. The difference is 0.21 percentage points.
Which county has higher property taxes, Cook County or St. Clair County?
St. Clair County, IL has the higher effective property tax rate at 2.50% compared to 2.29%.
How do Cook County and St. Clair 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 St. Clair County is above average at 2.50%.