Louisiana tax guide
Louisiana's tax environment recently shifted to a 3.00% flat income tax. This change replaced the previous progressive structure, simplifying the calculation for both employees and employers. By maintaining the federal income tax deduction, the state provides a unique mechanism that helps offset the impact of federal tax burdens on state filings.
Key tax highlights
Payroll
- The state now utilizes a uniform flat income tax rate of 3.00% for all individual income levels.
- Employers are required to withhold state income tax from employee paychecks based on this flat 3.00% rate.
- Louisiana's flat-tax transition replaced a complex progressive bracket system that previously ranged up to 4.25%.
Local taxes
- While Louisiana has a statewide income tax, individual parishes and municipalities often impose their own local sales and use taxes, which impact your overall cost of living.
- Some local school districts and special taxing districts may levy additional taxes that appear on your property tax bill rather than your paycheck.
Deductions
- A unique feature of Louisiana law is the allowance for the deduction of federal income taxes paid from your state taxable income.
- Residents can claim standard exemptions for themselves, their spouses, and their dependents to reduce their taxable base before the 3.00% rate is applied.
Salary examples
Pre-computed take-home estimates at common salary levels. For example, a $75,000 salary in Louisiana yields about $59,342 after all deductions (79.1% take-home rate). Use the calculator above with your actual salary to see your specific estimate.
| Salary | Federal | State | FICA | Take-Home | Rate |
|---|---|---|---|---|---|
| $50,000 | $3,820 | $1,500 | $3,825 | $40,855 | 81.7% |
| $75,000 | $7,670 | $2,250 | $5,738 | $59,342 | 79.1% |
| $100,000 | $13,170 | $3,000 | $7,650 | $76,180 | 76.2% |
| $150,000 | $24,734 | $4,500 | $11,475 | $109,291 | 72.9% |
Neighboring states
How Louisiana compares with border states on income tax. At a $75,000 salary, a Louisiana worker pays $2,250 in state tax annually.
| State | Tax type | Top rate |
|---|---|---|
| Texas | no tax | No state income tax |
| Mississippi | flat tax | 4.00% |
| Arkansas | progressive | 3.90% |
Louisiana rate history
Year-over-year changes to Louisiana's income tax rates.
| Year | Rate | Change |
|---|---|---|
| 2021 | 2%-6% | Higher progressive rates |
| 2023 | 1.85%-4.25% | No change |
| 2024 | 1.85%-4.25% | Progressive system |
| 2025 | 3.0% | Moved to single flat rate |
Tax tips for Louisiana
- Ensure your W-4 form is updated with your employer to reflect the shift to the 3.00% flat tax rate to avoid under-withholding.
- Utilize the Louisiana Department of Revenue's online portal to calculate your estimated tax liability under the new flat rate structure.
- Keep detailed records of your federal income tax payments, as these remain a critical component for reducing your Louisiana state taxable income.
Did you know?
- •Louisiana is one of the few states that historically allowed the deduction of federal income taxes, a policy that continues to influence state tax planning.
- •The move to a flat tax represents one of the most significant overhauls of the Louisiana tax code in the last two decades.
Filing guidance
When filing your Louisiana individual income tax return, ensure you are using the correct forms for the 2026 tax year, as the flat-tax implementation changes how taxable income is calculated compared to the older progressive system. You must reconcile your federal adjusted gross income with the allowed state-specific adjustments, including the federal tax deduction, to determine your final liability. Always check the Louisiana Department of Revenue website for the most recent updates on tax forms and filing requirements.
Relocation context
Comparing Louisiana with nearby states can reveal whether paycheck differences are driven by state tax, local tax, or payroll deductions.