For 2026, the sales tax rate in Kane County, Illinois stands at 7.75% — a combination of the 6.25% state rate and 1.5% local levy. The county's 520,000 residents make it an important market in the region.
For a $500 purchase in Kane County, the sales tax would be $38.75, bringing the total to $538.75.
Business Compliance in Kane County
Businesses must register with the Illinois Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 520,000, Kane County offers significant market potential for businesses of all sizes.