ROUND TOP Sales Tax Overview
As of 2026, ROUND TOP, Texas has a combined sales tax rate of 8.25%. This rate includes the Texas state tax of 6.25% plus applicable county and local taxes.
This rate applies to most taxable goods and services purchased within the 78954 zip code area. Some items such as groceries, prescription drugs, and clothing may be exempt depending on Texas state law.
ROUND TOP Tax Examples
* Based on rate of 8.25%. Verify with your exact zip code.
ROUND TOP Zip Codes & Tax Rates
| Zip Code | Combined |
|---|---|
| 78954 | 8.25% |
Frequently Asked Questions
What is the sales tax rate in ROUND TOP, TX?
The sales tax rate in ROUND TOP, TX is 8.25% as of 2026. This includes the 6.25% Texas state tax plus any county and city taxes.
How many zip codes are in ROUND TOP, TX?
ROUND TOP, TX has 1 zip code in our database: 78954.
How much is sales tax on a $100 purchase in ROUND TOP?
On a $100 purchase in ROUND TOP, TX you would pay approximately $8.25 in sales tax at the average rate of 8.25%, for a total of $108.25.
Is ROUND TOP's sales tax rate higher than the Texas average?
Use our calculator to compare ROUND TOP's rate of 8.25% against other cities in Texas. Visit the Texas state page for the statewide average.