Illinois City, Rock Island County, Illinois Property Taxes
Median ILLINOIS CITY, IL effective property tax rate: 3.04%, significantly higher than the national median of 1.02%, but lower than the IL state median of 2.35%.
Median ILLINOIS CITY, IL home value: $141,147
Median annual ILLINOIS CITY, IL tax bill: $4,359, $1,959 higher than the national median property tax bill of $2,400.
How are property taxes in Rock Island calculated?
Property taxes in ILLINOIS CITY, IL are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding ILLINOIS CITY’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in ILLINOIS CITY, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Illinois City, Rock Island County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
3.04%
Estimate Property Tax Bill
$4,291
$3,982
Property Tax Rates Across Illinois City, Rock Island County, Illinois
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Illinois City Tax Rate
3.04%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Rock Island County Tax Rate
2.90%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Illinois City, Rock Island County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61259 | 2.49% | 2.72% | 3.04% | 3.40% | 3.73% |
Source: Ownwell
Property Tax Assessment Values Across Illinois City, Rock Island County, Illinois
Property Tax Assessment Values Across Illinois City, Rock Island County, Illinois
Source: Ownwell

$90,532
$149,002
$207,472
Median Illinois City Market Value
$141,147
Median Rock Island County Market Value
$104,406
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Illinois City, Rock Island County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61259 | $79,070 | $106,543 | $141,147 | $180,300 | $239,754 |
Source: Ownwell
Property Tax Bills Across Illinois City, Rock Island County, Illinois
Property Tax Bills Across Illinois City, Rock Island County, Illinois
Source: Ownwell

$2,685
$5,367
$8,048
Median Illinois City Tax Bill
$4,359
Median Rock Island County Tax Bill
$2,928
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Illinois City, Rock Island County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61259 | $2,307 | $3,164 | $4,359 | $5,964 | $7,619 |
Source: Ownwell