Sales tax in City of Morgan City (St. Mary Parish), LA
The combined sales tax rate in City of Morgan City (St. Mary Parish), LA is about 10.25%, and ranges from 10% to 10.25% depending on the exact address.
Estimated from 1 ZIP code covering City of Morgan City (St. Mary Parish). Enter your ZIP code in the calculator for a closer figure.
- ZIP code
- 70380, crossing the city line.
- County
- St. Mary Parish
How the combined rate in City of Morgan City (St. Mary Parish), LA is made up
Each government below levies its own share. A seller collects them together at the till and passes each share to the authority that levied it.
| Jurisdiction | Type | Rate | Effective | Source |
|---|---|---|---|---|
| Louisiana | state | 5% | Jan 1, 2025 | Louisiana state sales tax rate |
| Assumption Parish | county | 5% | Jul 1, 2025 | Louisiana domicile rate listing, Sales and Use Tax Commission for Remote Sellers |
| City of Morgan City (St. Mary Parish) | city | 5.25% | Jul 1, 2025 | Louisiana domicile rate listing, Sales and Use Tax Commission for Remote Sellers |
| Combined rate | 15.25% | |||
What can change the tax you pay in City of Morgan City (St. Mary Parish), LA
- Your exact address. Assumption Parish covers only part of this area, so an address inside it is taxed differently from one just outside. A ZIP code is a postal delivery route and was never drawn to follow tax boundaries.
- What you are buying. Categories are not taxed alike. The calculator switches between general merchandise, prepared food and lodging, which are the categories we hold rates for here.
How City of Morgan City (St. Mary Parish) compares with the rest of Louisiana
City of Morgan City (St. Mary Parish)'s ~10.25% is above what most ZIP codes carry in Louisiana. Of the state's 719 ZIP codes with a figure, 21 land on the same one, 573 carry a lower figure and 125 a higher one. Across Louisiana the combined rate runs from 5% to 12%. See every city in Louisiana.
| Combined rate | ZIP codes | Which is this city |
|---|---|---|
| ~5% | 470 | |
| ~10% | 47 | |
| ~10.5% | 44 | |
| ~11% | 32 | |
| ~10.25% | 21 | City of Morgan City (St. Mary Parish) |
Counted from ZIP-code figures. A tilde marks a band where some ZIP codes cross a tax boundary and are counted at their most likely rate.
How sales tax is collected
The seller generally collects the tax from the buyer at the point of sale and passes it to the authorities that levied it. In most states it is added at the till rather than included in the advertised price. Read how sales tax works, including sourcing rules, online purchases and who is required to collect.
Rates last verified: Sep 4, 2026. This is when the source was last read, not when this page was last edited.
TaxAndTips provides informational estimates from published tax-rate data. Actual tax treatment can depend on the product or service, the exact address, the transaction, exemption status and applicable law. For official obligations, consult the taxing authority or a qualified tax professional.
Why you can rely on these figures
- Published rates
- State and local rates compiled from the tax authorities that levy them.
- Every figure sourced
- See the jurisdiction breakdown and the document each rate came from.
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