Rock Island County Property Taxes
Rock Island County, Illinois
Effective Tax Rate
0.00%
21.2% above state avgMedian Annual Tax
$0
$281/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
2.33%
At a Glance
Median Home Value
$144,700
State avg ▼ $146,132
Tax w/ Mortgage/yr
$3,525
$294/mo escrow
Tax w/o Mortgage/yr
$3,097
$258/mo
State Tax Rate Rank
#94
of 102 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Rock Island County, Illinois
Rock Island's taxes run well above national norm
At 2.33%, Rock Island County's effective tax rate significantly exceeds the national median of 2.05%, placing it in roughly the 75th percentile nationally. The median property tax here is $3,372 annually—25% higher than the national median of $2,690—reflecting both the county's tax structure and its median home values of $144,700.
Among Illinois' highest-taxing counties
Rock Island ranks in the upper tier statewide, with an effective rate of 2.33% compared to Illinois' state average of 1.83%. This 50-basis-point difference means Rock Island homeowners pay significantly more in property taxes than the typical Illinois resident.
Rock Island higher than most peers
Compared to neighboring Stark County (1.64% effective rate) and Scott County (1.38%), Rock Island's 2.33% rate stands out as notably higher. The $3,372 median tax bill here outpaces Stark County's $1,700 and Scott County's $1,406, reflecting the region's tax rate variance.
Expect roughly $3,372 annually
On the median home valued at $144,700, Rock Island County homeowners typically pay $3,372 per year in property taxes. For homes with mortgages, expect an additional escrow buffer: the median with mortgage is $3,525.
Many Rock Island owners are overassessed
Property tax appeals are a powerful but underused tool—assessments often exceed market value, especially during downturns. If you believe your home's assessment is inflated, requesting a reassessment review could significantly lower your annual tax bill.
How Rock Island County Compares
Median Annual Property Tax
Rock Island County
2.33%
Effective rate
Illinois Avg
1.90%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Rock Island County, Illinois?
How much are property taxes in Rock Island County?
How does Rock Island County compare to the Illinois average?
What is the median home value in Rock Island County, Illinois?
Why is Rock Island County property tax rate higher than the Illinois average?
How does Rock Island County rank for property taxes in Illinois?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Illinois
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.