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Louisiana Income Tax Calculator

Estimate your 2026 combined federal and Louisiana income tax — Louisiana adds a flat 3% state income tax.

InputsTY-2026
$
$
$
Federal + state tax15.8% effective
$15,784/yr
10% on $12,400$1,240
12% on $38,000$4,560
22% on $33,500$7,370
federal tax subtotal$13,170
LA state tax$2,614
taxable income
$83,900
marginal rate
22.0%
after tax
$84,216

A single filer earning Louisiana's median household income of $60,740 owes about $1,436 in Louisiana state income tax — an effective state rate of 2.36%. That is state tax only, on top of federal income tax and FICA.

Based on 2026 Louisiana rules and 2026 federal rules, with the standard deduction and no other adjustments. Median income is the 2024 Census figure.

Income tax in Louisiana

Louisiana replaced its graduated brackets with a flat 3.0% rate effective January 1, 2025, and that rate carries into 2026 unchanged. The standard deduction is inflation-indexed and rises to $12,875 (single) or $25,750 (married filing jointly) for 2026. The old personal-exemption structure was folded into that deduction, and taxpayers 65 and older can exempt additional retirement income.

Louisiana income tax structure (2026)

Louisiana taxes income at a flat 3% after a standard deduction of $12,875 (single). Every taxable dollar is taxed at the same rate, so your marginal and effective state rates converge as income rises.

Common questions

What is Louisiana's income tax rate?
Louisiana taxes income at a flat 3% for tax year 2026 — one rate at every income level, with no brackets — applied after a $12,875 standard deduction ($25,750 joint).
What is the tax bill on $60,740 in Louisiana?
A single filer on Louisiana's $60,740 median household income (2024) owes about $1,436 to Louisiana and $5,109 to the IRS — roughly $6,545 of income tax in total, or 10.8% of gross income.
How much income is exempt from Louisiana tax?
The standard deduction shields the first $12,875 of income for a single filer and $25,750 on a joint return, so earnings below that owe no Louisiana income tax. Every dollar above it is taxed at the same 3%, saving a single filer about $386 versus no deduction at all.

How we calculate this

Federal brackets per our income-tax methodology, plus Louisiana's 2026 state tax. Estimates only — not tax advice.

Louisiana Dept. of Revenue: Notice of Intent, Income Tax Withholding Tables (LAC 61:I.1501) - 2026 standard deduction $12,875 / $25,750 under R.S. 47:294(B) →Louisiana Dept. of Revenue FAQ: individual income tax rates and brackets (flat 3% for periods beginning on or after Jan 1, 2025) →Tax Foundation: State Individual Income Tax Rates and Brackets, 2026 →

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Estimates for general informational purposes only; not tax advice. Louisiana figures are simplified (credits, local taxes, and AGI adjustments vary) and should be verified with the state Department of Revenue. Louisiana's flat 3% is applied with the $12,875 standard deduction for a single filer — not itemized deductions or any Louisiana tax credit. It also excludes any local, county, or school-district tax your municipality may add.