Louisiana Sales Tax — 5%

Louisiana's state rate is 5%, in the lower half nationally. Its local rates average 5.11% — higher than the state's own — producing the highest average combined rate in the country at 10.11%.

That structure is unusual and consequential. Parishes and municipalities set and administer their own sales taxes, historically with their own tax bases and their own collectors, which made Louisiana notoriously difficult for businesses selling across parish lines. Centralised collection reform has been debated for years.

Louisiana raised its state sales tax to 5% as part of the 2025 tax reform that replaced graduated income tax brackets with a flat 3%. The package deliberately shifted burden from income to consumption.

For a household, whether that was a gain or a loss depends on the share of income spent rather than saved. Higher earners who save benefit; households spending most of what they earn pay more of the offsetting increase than they saved on income tax.

The Louisiana state rate of 5% applies to most retail sales of tangible goods. Counties, cities and special districts add their own rates on top, and because those are set locally the total varies within the state. The 10.11% figure quoted here is a population-weighted average — the rate at your own address may be meaningfully higher or lower.

Ranked 1 of 50 by average combined rate, Louisiana sits above the national population-weighted average of 7.53% by 2.58 percentage points. Louisiana also levies income tax, so sales tax is one part of the picture rather than the whole of it.

What gets taxed matters as much as the rate. States differ considerably on groceries, prescription drugs, clothing and services, and those exemptions can affect a household's real burden more than a percentage point on the headline rate. Check your state revenue department for the current exemption list before relying on any calculation for a business filing.