Home and mortgage
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%.
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Property tax in Rock Island County by home value, at 2.28%
| Home value | A year | A month |
|---|---|---|
| $80,000 | $1,822 | $152 |
| $110,000 | $2,505 | $209 |
| $150,000 | $3,416 | $285 |
| $230,000 | $5,237 | $436 |
| $300,000 | $6,831 | $569 |
Rock Island County against Illinois and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Rock Island County | 2.28% | $3,425 | $150,400 | $67,159 |
| Illinois | 2.01% | $5,298 | $263,300 | $83,390 |
| United States | 0.94% | $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.
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
- Lake County
- DeKalb County
- Winnebago County
- Kendall County
- McHenry County
- Kane County
- Will County
- Peoria County
- Kankakee County
- Boone County
- McLean County
- Macon County
- LaSalle County
- Tazewell County
- Champaign County
- Ogle County
- DuPage County
- Whiteside County
- St. Clair County
- Grundy County
- Sangamon County
- Madison County
- Cook County
- Jackson County
- Vermilion County
- Williamson County
- Adams County
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.