For 2026, the sales tax rate in Knox County, Tennessee stands at 9.25% — a combination of the 7% state rate and 2.25% local levy. The county's 478,971 residents make it an important market in the region.
For a $500 purchase in Knox County, the sales tax would be $46.25, bringing the total to $546.25.
Business Compliance in Knox County
Businesses must register with the Tennessee Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 478,971, Knox County offers significant market potential for businesses of all sizes.