What is the sales tax in Dubuque county? - The sales tax in Dubuque county of Iowa is 7% as of 2025. Use the Dubuque sales tax calculator to calculate the sales tax for any purchase in Dubuque.
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Below is a list of the sales tax rate for each county in Dubuque.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Dubuque | Iowa | Bernard | 52032 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Cascade | 52033 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Dubuque | 52001 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Durango | 52039 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Dyersville | 52040 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Epworth | 52045 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Farley | 52046 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Holy Cross | 52053 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | New Vienna | 52065 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Peosta | 52068 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Sherrill | 52073 | 6% | 0% | 1% | 7% |
| Dubuque | Iowa | Worthington | 52078 | 6% | 0% | 1% | 7% |