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Rock Island County, IL Property Tax Calculator

Rock Island County homeowners pay a median $3,425 a year in property tax, 2.28% of a median $150,400 home: above Illinois's 2.01% and the national 0.94%.

At an effective rate of 2.28%, a $150,400 home pays about $3,425 a year in property tax, $285 a month.

Property tax a year
$3,425
A month (for escrow)
$285
Effective rate on the home
2.28%

Property tax in Rock Island County by home value, at 2.28%

Home valueA yearA month
$200,000$4,554$380
$300,000$6,831$569
$400,000$9,108$759
$500,000$11,385$949
$750,000$17,078$1,423
$1,000,000$22,770$1,898

Rock Island County against Illinois and the US

Effective rateMedian taxMedian home valueMedian household income
Rock Island County2.28%$3,425$150,400$67,159
Illinois2.01%$5,298$263,300$83,390
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Rock Island County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Rock Island County?

The effective rate is 2.28%: a median $3,425 a year on a median $150,400 home. That's the 6th highest of the 28 Illinois counties we cover.

How much is property tax on a $400,000 house in Rock Island County?

About $9,108 a year, $759 a month, at the county's effective rate, before any exemption.

How does Rock Island County compare with the rest of Illinois?

Its rate is above the state's 2.01%. Across Illinois, covered counties range from 1.58% to 2.58%.

How do I lower my Rock Island County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Illinois counties

Related calculators

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.