Lake County, IL vs Rock Island County, IL
Property Tax Rate Comparison 2025
Quick Answer
Lake County, IL: 2.37% effective rate · $7,321/yr median tax · median home $308,906
Rock Island County, IL: 1.66% effective rate · $4,811/yr median tax · median home $289,874
Side-by-Side Comparison
| Metric | Lake County, IL | Rock Island County, IL | National Avg |
|---|---|---|---|
| Effective Tax Rate | 2.37% | 1.66% | 1.06% |
| Median Annual Tax | $7,321 | $4,811 | $2,778 |
| Median Home Value | $308,906 | $289,874 | $268,728 |
| Population | 714,342 | 147,546 | — |
Lake County, IL
- Effective Rate
- 2.37%
- Median Annual Tax
- $7,321
- Median Home Value
- $308,906
- Population
- 714,342
Rock Island County, IL
- Effective Rate
- 1.66%
- Median Annual Tax
- $4,811
- Median Home Value
- $289,874
- Population
- 147,546
Frequently Asked Questions
What is the property tax difference between Lake County and Rock Island County?
Lake County, IL has an effective property tax rate of 2.37% with a median annual tax of $7,321. Rock Island County, IL has a rate of 1.66% with a median annual tax of $4,811. The difference is 0.71 percentage points.
Which county has higher property taxes, Lake County or Rock Island County?
Lake County, IL has the higher effective property tax rate at 2.37% compared to 1.66%.
How do Lake County and Rock Island County compare to the national average?
The national average effective property tax rate is 1.06%. Lake County is above average at 2.37%, and Rock Island County is above average at 1.66%.