Rock Island County, IL vs Williamson County, TX
Property Tax Rate Comparison 2025
Quick Answer
Rock Island County, IL: 1.66% effective rate · $4,811/yr median tax · median home $289,874
Williamson County, TX: 1.93% effective rate · $6,507/yr median tax · median home $337,157
Side-by-Side Comparison
| Metric | Rock Island County, IL | Williamson County, TX | National Avg |
|---|---|---|---|
| Effective Tax Rate | 1.66% | 1.93% | 1.06% |
| Median Annual Tax | $4,811 | $6,507 | $2,778 |
| Median Home Value | $289,874 | $337,157 | $268,728 |
| Population | 147,546 | 609,017 | — |
Rock Island County, IL
- Effective Rate
- 1.66%
- Median Annual Tax
- $4,811
- Median Home Value
- $289,874
- Population
- 147,546
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 Rock Island County and Williamson County?
Rock Island County, IL has an effective property tax rate of 1.66% with a median annual tax of $4,811. Williamson County, TX has a rate of 1.93% with a median annual tax of $6,507. The difference is 0.27 percentage points.
Which county has higher property taxes, Rock Island County or Williamson County?
Williamson County, TX has the higher effective property tax rate at 1.93% compared to 1.66%.
How do Rock Island County and Williamson County compare to the national average?
The national average effective property tax rate is 1.06%. Rock Island County is above average at 1.66%, and Williamson County is above average at 1.93%.