What is the sales tax in zip code 80534? - The sales tax in zip code 80534 in Johnstown, Colorado is 7.2% as of 2025. Use the 80534 sales tax rate calculator to calculate the sales tax for any purchase in 80534.
80534 Sales Tax Rate Calculator |
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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 |
|---|---|---|---|---|---|---|---|
| Weld | Colorado | Johnstown | 80534 | 2.9% | 3.5% | 0.8% | 7.2% |