UNION Sales Tax Overview
As of 2026, UNION, Tennessee has a combined sales tax rate of 9.25%. This rate includes the Tennessee state tax of 7% plus applicable county and local taxes.
This rate applies to most taxable goods and services purchased within the 37866 zip code area. Some items such as groceries, prescription drugs, and clothing may be exempt depending on Tennessee state law.
UNION Tax Examples
* Based on rate of 9.25%. Verify with your exact zip code.
UNION Zip Codes & Tax Rates
| Zip Code | Combined |
|---|---|
| 37866 | 9.25% |
Frequently Asked Questions
What is the sales tax rate in UNION, TN?
The sales tax rate in UNION, TN is 9.25% as of 2026. This includes the 7% Tennessee state tax plus any county and city taxes.
How many zip codes are in UNION, TN?
UNION, TN has 1 zip code in our database: 37866.
How much is sales tax on a $100 purchase in UNION?
On a $100 purchase in UNION, TN you would pay approximately $9.25 in sales tax at the average rate of 9.25%, for a total of $109.25.
Is UNION's sales tax rate higher than the Tennessee average?
Use our calculator to compare UNION's rate of 9.25% against other cities in Tennessee. Visit the Tennessee state page for the statewide average.