Income Taxes in Louisiana
Louisiana's income tax is genuinely distinctive following a real, dated 2024 reform: a flat 3% individual rate (effective Jan. 1, 2025) replaced the old 1.85%-4.25% graduated structure, roughly tripled the standard deduction, and eliminated the corporate franchise tax entirely -- among the lowest rates of any state that levies an income tax at all, this record discloses alongside the honest funding trade-off behind it.
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Learn moreA real, dated 2024 reform: flat 3%, up from 1.85%-4.25%
Louisiana's House Bill 10 (signed by Gov. Jeff Landry Dec. 4, 2024, effective Jan. 1, 2025) replaced the old 3-bracket graduated individual income tax (1.85%/3.5%/4.25%) with a flat 3% rate -- among the lowest income tax rates of any state that levies one at all. The same reform roughly tripled the standard deduction, from $4,500 to $12,500.
Corporate franchise tax fully repealed
A companion bill (House Bill 2) imposed a flat 5.5% corporate income tax (replacing a 3.5%-7.5% tiered structure) and fully repealed Louisiana's corporate franchise tax, effective Jan. 1, 2026 -- a real, significant structural simplification for businesses this record treats as a genuine tax cut, not a marketing claim.
The honest funding trade-off: a nation-highest sales tax
To offset the revenue loss from the income-tax cut, Louisiana raised its statewide base sales tax rate from 4.45% to 5% for a five-year window starting Jan. 1, 2025, and broadened the sales-tax base to newly cover digital products. The real, current consequence: the Tax Foundation's 2026 report places Louisiana's average combined state-and-local sales tax rate at 10.11%, the single highest of any state in the nation. This shifted a real, meaningful share of the tax burden from income to consumption -- not a one-line 'Louisiana cut taxes' story.
This doesn't make Louisiana a broadly low-cost state for a homeowner
Louisiana's genuinely low, flat income tax doesn't offset its other real, current costs: a homeowners-insurance market running $4,644-$7,304/year (among the highest in the country) following a dozen-plus insurer exits post-Laura/Delta/Ida. See the homeowners-insurance and sales-tax topics for full detail.
Louisiana's labor-market backdrop
Louisiana's unemployment rate ran a real 4.5% in the most recent 2026 reading this pass reviewed (Federal Reserve Economic Data, May 2026) -- modestly above the national average, a real, honest point of comparison, though a moderate reading by historical standards rather than an alarming one.
Key takeaways
- Louisiana's flat 3% individual income tax rate (effective Jan. 1, 2025) replaced a 1.85%-4.25% graduated structure -- among the lowest rates of any income-tax state.
- The standard deduction roughly tripled ($4,500 to $12,500), and the corporate franchise tax was fully repealed effective Jan. 1, 2026.
- The reform was funded in part by raising the sales tax from 4.45% to 5%, pushing Louisiana's average combined sales tax rate to a nation-highest 10.11% (Tax Foundation, 2026).
- Louisiana's 4.5% unemployment rate (May 2026) runs modestly above the national average, even as the income-tax picture genuinely improved.
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