Louisiana tax rulesIncome Tax

Louisiana Income Tax (2026)

Info: Flat 3% (effective Jan 1, 2025 under the 2025 reform; prior graduated brackets repealed).

InfoVerified May 31, 2026

Flat 3% (effective Jan 1, 2025 under the 2025 reform; prior graduated brackets repealed).

Official source: revenue.louisiana.gov

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