What is the sales tax in Dayton city? - The sales tax in Dayton city of Ohio is 7.5% as of 2025. Use the Dayton sales tax calculator to calculate the sales tax for any purchase in Dayton.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Dayton.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Montgomery | Ohio | Dayton | 45420 | 5.75% | 0% | 1.75% | 7.5% |