What is the sales tax in Hahnville city? - The sales tax in Hahnville city of Louisiana is 10.25% as of 2025. Use the Hahnville sales tax calculator to calculate the sales tax for any purchase in Hahnville.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Hahnville.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| St. Charles | Louisiana | Hahnville | 70057 | 5% | 0% | 5.25% | 10.25% |