Home and mortgage
Boone County, IL Property Tax Calculator
Boone County homeowners pay a median $4,735 a year in property tax, 2.18% of a median $216,900 home: above Illinois's 2.01% and the national 0.94%.
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Property tax in Boone County by home value, at 2.18%
| Home value | A year | A month |
|---|---|---|
| $110,000 | $2,401 | $200 |
| $160,000 | $3,493 | $291 |
| $220,000 | $4,803 | $400 |
| $330,000 | $7,204 | $600 |
| $430,000 | $9,387 | $782 |
Boone County against Illinois and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Boone County | 2.18% | $4,735 | $216,900 | $84,571 |
| 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 Boone 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 Boone County?
The effective rate is 2.18%: a median $4,735 a year on a median $216,900 home. That's the 11th highest of the 28 Illinois counties we cover.
How much is property tax on a $400,000 house in Boone County?
About $8,732 a year, $728 a month, at the county's effective rate, before any exemption.
How does Boone 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 Boone 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
- Rock Island County
- Kane County
- Will County
- Peoria County
- Kankakee 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
Related calculators
Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.