Louisiana Tax Calculators.
Tax year 2026 income tax rates, brackets, and sales tax for Louisiana. Returns for tax year 2026 are generally filed in 2027; source links and last-verified dates are shown below.Tax year 2026 means income earned during calendar year 2026; those returns are generally filed in 2027. State and local sales tax rates can change during the year, so confirm current rules before filing or remitting tax.
Income Tax
Louisiana’s published 2026 standard deduction is $12,838 single or $25,676 joint/head of household. Eligible excess federal medical deductions are additional. The common itemized amount is retained separately. Retirement adjustments, other state adjustments and credits are excluded; additional dependent, age and blindness exemptions were repealed.
| Taxable Income | Rate |
|---|---|
| All taxable income | 3% |
Sales Tax
Qualifying food for home consumption is exempt from Louisiana state sales tax; local taxes can apply. Prepared meals generally remain taxable. Qualifying prescription drugs are exempt. Combined rates shown are population-weighted July 1, 2026 estimates; actual item and local rates vary.
Louisiana’s ordinary flat income-tax rate is 3%; its combined sales tax rate of 10.13% (July 1, 2026 population-weighted estimate) is the highest in the nation due to high local taxes.
What is Louisiana's income tax rate?
Louisiana levies a flat income tax of 3% on taxable income for 2026. Louisiana’s published 2026 standard deduction is $12,838 single or $25,676 joint/head of household. Eligible excess federal medical deductions are additional. The common itemized amount is retained separately. Retirement adjustments, other state adjustments and credits are excluded; additional dependent, age and blindness exemptions were repealed.
Does Louisiana tax groceries?
Qualifying food for home consumption is exempt from Louisiana’s 5% state sales tax. Local taxes can still apply; prepared meals generally remain taxable.
Why is Louisiana's combined sales tax so high?
Louisiana has the highest combined sales tax rate in the nation (averaging 10.13%) due to extensive local parish and municipal sales taxes added on top of the 5% state rate. The combined figure is a population-weighted July 1, 2026 estimate, not a rate for every purchase.
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