Louisiana Income Tax (2026)

Info: Flat 3% (effective Jan 1, 2025 under the 2025 reform; prior graduated brackets repealed).

InfoVerified May 31, 2026

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Official source: revenue.louisiana.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Income Tax in states bordering Louisiana

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

ArkansasInfo
Graduated; top rate 3.7% for 2026 and later tax years (Act 1 of the May 2026 special session, retroactive to Jan 1, 2026). The 3.7% rate applies to net taxable income over $26,400; lower brackets apply below.
Verified Jul 5, 2026 · Source: arkleg.state.ar.us · Full Arkansas rule →
MississippiInfo
Income over $10,000 is taxed at a flat 4.0% for 2026 (first $10,000 exempt), down from 4.4% in 2025. Under the 2025 Build Up Mississippi Act the rate falls to 3.75% in 2027 and 3.0% by 2030, with further growth-triggered cuts toward elimination.
Verified Jul 15, 2026 · Source: billstatus.ls.state.ms.us · Full Mississippi rule →
TexasPermitted
No state individual income tax — 0% on wages and all personal income.
Verified May 31, 2026 · Source: comptroller.texas.gov · Full Texas rule →

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