Sullivan County in Tennessee has a combined sales tax rate of 9.5% as of 2026. This includes the state rate of 7% plus a local county rate of 2.5%. With a population of 158,348, Sullivan County represents a significant market for businesses.
For a $500 purchase in Sullivan County, the sales tax would be $47.50, bringing the total to $547.50.
Business Compliance in Sullivan 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 158,348, Sullivan County offers significant market potential for businesses of all sizes.