What is the income tax rate in Louisiana?

The top income tax rate in Louisiana is 4.3%.

How is state income tax calculated in Louisiana?

Louisiana uses progressive tax brackets. Income in each bracket is taxed at that bracket's rate, and the total is summed.

Yes, Louisiana offers a standard deduction of $4,500 for single filers and $9,000 for married couples.

Calculate your Louisiana state income tax instantly. Updated for 2026 tax rates and brackets.

Enter your details to estimate your state income tax for 2026.

Step 1: Filing Status

Step 2: Annual Income

Enter your gross annual income before deductions.

Step 3: DeductionsApply Standard Deduction ($4,500)

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