What is the sales tax in zip code 84540? - The sales tax in zip code 84540 in Thompson, Utah is 6.85% as of 2025. Use the 84540 sales tax rate calculator to calculate the sales tax for any purchase in 84540.
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Below is a list of the state sales tax, city sales tax, and county tax rate for .
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax | 
|---|---|---|---|---|---|---|---|
| Grand | Utah | Thompson | 84540 | 4.8499% | 0% | 2% | 6.85% |