Kane County, IL Property Tax Rate
Homeowners in Kane County pay an effective 2.39% of home value in property tax — about $7,242 a year on the median $303,000 home, above the Illinois county median of 1.85%.
Kane County, IL: 2.39% effective property tax — ~$7,242/yr on the median home.
- Effective rate2.39%
- Median home value$303,000
- Median annual bill$7,242
- IL county median1.85%
- U.S. county median0.84%
Source: U.S. Census ACS 2023 5-year (median taxes paid ÷ median value), compiled June 2026.
Kane County vs. Illinois and the U.S.
| Effective rate | On the county's $303,000 median home | |
|---|---|---|
| Kane County | 2.39% | $7,242 |
| Illinois county median | 1.85% | $5,606 |
| U.S. county median | 0.84% | $2,545 |
Median household income here is $100,678, putting the median tax bill at about 7.2% of income. Effective rates fold in homestead exemptions and assessment practice — they're what owners actually pay, which is why they beat statutory rates for comparison.
Highest & lowest rates in Illinois
| County | Effective rate | Median bill |
|---|---|---|
| Lake County | 2.68% | $8,753 |
| DeKalb County | 2.54% | $5,890 |
| Kendall County | 2.53% | $7,562 |
| McHenry County | 2.49% | $7,144 |
| Pulaski County | 0.82% | $664 |
| Pope County | 1.02% | $1,686 |
| Hardin County | 1.18% | $1,082 |
| Lawrence County | 1.21% | $1,156 |
Full picture: Illinois property tax calculator · interactive county atlas · all county pages.
Frequently asked questions
What is the property tax rate in Kane County, IL?
The effective rate is about 2.39% of home value — the median homeowner pays roughly $7,242 a year on a $303,000 median home (ACS 2023 five-year data).
Is Kane County's property tax high?
It's above the Illinois county median (1.85%) and above the U.S. county median (0.84%).
How is the effective rate calculated?
Median real-estate taxes paid ÷ median home value, from the Census American Community Survey — what owners actually pay, after exemptions, rather than the statutory millage.
Sources & methodology
Sources: Census ACS 2023 5-year tables B25103/B25077.
Effective rate = median real-estate taxes ÷ median home value (owner-occupied). Individual bills vary with exemptions, assessment timing and local levies — verify with the county assessor.