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 adopted a flat income tax rate of 3.0% effective 2025, replacing a progressive system with rates of 1.85%, 3.5%, and 4.25%. The reform also increased the standard deduction significantly.
| Taxable Income | Rate |
|---|---|
| All taxable income | 3.0% |
Sales Tax
Groceries are exempt from state sales tax. Prescription drugs are exempt.
Louisiana's new 3.0% flat rate is well below the national average, but its combined sales tax rate of 9.56% is the highest in the nation due to high local taxes.
What is Louisiana's income tax rate?
Louisiana has a flat income tax rate of 3.0% on all taxable income, effective 2025. This replaced a progressive system with rates up to 4.25%.
Does Louisiana tax groceries?
No, groceries (unprepared food) are exempt from Louisiana's 5% state sales tax. However, local parishes may impose sales tax on groceries.
Why is Louisiana's combined sales tax so high?
Louisiana has the highest combined sales tax rate in the nation (averaging 9.56%) due to extensive local parish and municipal sales taxes added on top of the 5% state rate.