What is the sales tax in Lockport city? - The sales tax in Lockport city of Louisiana is 10.15% as of 2025. Use the Lockport sales tax calculator to calculate the sales tax for any purchase in Lockport.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Lockport.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Lafourche | Louisiana | Lockport | 70374 | 5% | 5.15% | 0% | 10.15% |