Property Tax in Kane County
via TaxByCounty
Kane County taxes hit national highs
Kane County's effective property tax rate of 2.386% ranks among the nation's highest, significantly exceeding the national median of 1.825%. Residents pay a median of $7,230 annually—nearly three times the national median of $2,690—reflecting both higher home values and elevated tax rates.
Highest taxes among all Illinois counties
Kane County ranks 102nd (last) among Illinois's 102 counties with a 2.386% effective rate, towering over the state average of 1.831%. Its median property tax of $7,230 also ranks among the state's highest, placing Kane residents in the most expensive tax bracket statewide.
Nearly doubles Kendall County rates
Kane County's 2.386% rate edges above neighboring Kendall County (2.528%)—though Kendall's higher home values push its median bill to $7,556. Kane's median home value of $303,000 combined with its steep rate creates an exceptionally high tax burden.
A $303,000 home costs $7,230 yearly
The median Kane County home valued at $303,000 generates an estimated annual property tax of $7,230. With mortgage insurance factored through escrow, homeowners typically pay around $7,537 annually—the second-highest in the comparison group.
High value makes appeals especially worthwhile
With median taxes exceeding $7,200, even modest assessment reductions deliver thousands in savings across the mortgage lifetime. Kane County residents should prioritize reviewing their assessments and filing appeals if valuations seem inflated.