St. Clair County, IL vs Williamson County, TX
Property Tax Rate Comparison 2025
Quick Answer
St. Clair County, IL: 2.50% effective rate · $7,492/yr median tax · median home $299,711
Williamson County, TX: 1.93% effective rate · $6,507/yr median tax · median home $337,157
Side-by-Side Comparison
| Metric | St. Clair County, IL | Williamson County, TX | National Avg |
|---|---|---|---|
| Effective Tax Rate | 2.50% | 1.93% | 1.06% |
| Median Annual Tax | $7,492 | $6,507 | $2,778 |
| Median Home Value | $299,711 | $337,157 | $268,728 |
| Population | 260,077 | 609,017 | — |
St. Clair County, IL
- Effective Rate
- 2.50%
- Median Annual Tax
- $7,492
- Median Home Value
- $299,711
- Population
- 260,077
Williamson County, TX
- Effective Rate
- 1.93%
- Median Annual Tax
- $6,507
- Median Home Value
- $337,157
- Population
- 609,017
Frequently Asked Questions
What is the property tax difference between St. Clair County and Williamson County?
St. Clair County, IL has an effective property tax rate of 2.50% with a median annual tax of $7,492. Williamson County, TX has a rate of 1.93% with a median annual tax of $6,507. The difference is 0.57 percentage points.
Which county has higher property taxes, St. Clair County or Williamson County?
St. Clair County, IL has the higher effective property tax rate at 2.50% compared to 1.93%.
How do St. Clair County and Williamson County compare to the national average?
The national average effective property tax rate is 1.06%. St. Clair County is above average at 2.50%, and Williamson County is above average at 1.93%.