LOUISIANA INCOME TAX IN 2026

Louisiana's paycheck landscape changed fundamentally on January 1, 2025. Through Act 1 of a November 2024 special legislative session, the state dismantled its decades-old three-bracket income tax and replaced it with one of the most competitive flat-rate systems in the South: a 3.0% flat tax on all Louisiana taxable income, paired with a dramatically expanded standard deduction of $12,500 for Single filers and $25,000 for Married Filing Jointly. The personal exemption was simultaneously eliminated, but the enlarged deduction more than compensates for most workers.

The result is one of the simplest paycheck calculations of any income-tax state in the country — one rate, one deduction, no bracket thresholds to cross, no filing-status variation in the rate itself. Workers in New Orleans, Baton Rouge, Shreveport, and Lafayette all share the same tax formula, and Louisiana parishes levy no additional local income tax on wages anywhere in the state.

Compare Louisiana across the Gulf South at our USA Paycheck Calculator hub, or jump directly to Texas, Mississippi, Arkansas, or Florida.

EVERY DEDUCTION ON A LOUISIANA PAYCHECK IN 2026

Louisiana's statewide paycheck carries four deduction lines — lean and uniform across all 64 parishes. No disability insurance withholding, no paid family leave contribution, no city or parish income tax on wages:

• Federal Income Tax — The 2026 progressive federal schedule from 10% to 37%, applied after the federal standard deduction ($15,000 Single, $30,000 MFJ, $22,500 HOH) reduces taxable income.
• Social Security — 6.2% of gross wages up to the 2026 annual ceiling of $176,100. Wages above this threshold are Social Security-exempt for the rest of the calendar year.
• Medicare — 1.45% on all earned income with no cap, plus 0.9% additional Medicare surtax on individual wages above $200,000.
• Louisiana State Income Tax — A flat 3.0% on Louisiana taxable income after the $12,500 (Single/HOH) or $25,000 (MFJ) standard deduction reduces gross wages.

HOW LOUISIANA'S FLAT TAX CALCULATES IN 2026

The new Louisiana income tax formula is among the simplest of any income-tax state in the country. One deduction, one rate, one multiplication:

LA Taxable = Gross Wages − $12,500  (Single / HOH)
LA Taxable = Gross Wages − $25,000  (Married Filing Jointly)
LA State Tax = LA Taxable × 3.0%

A Single worker earning $70,000 deducts $12,500, leaving $57,500 of Louisiana taxable income. That figure multiplied by 3.0% produces a state income tax bill of exactly $1,725 — one multiplication step, no lookup table, no bracket calculation required.

LOUISIANA STANDARD DEDUCTION 2026 — THE $12,500 SHIELD

The new $12,500 Single standard deduction is the most consequential element of the 2024 reform for middle-income workers. It nearly matches the federal standard deduction ($15,000 for Single in 2026) and is roughly 178% larger than the old Louisiana deduction of ~$4,500. The expanded deduction shelters a substantial share of income for every worker — or eliminates state income tax entirely for the lowest earners:

The effective state income tax rate rises gradually toward 3.0% but never quite reaches it on gross wages — because the $12,500 deduction always shelters a portion of income regardless of salary level. At $70,000 gross the effective rate is 2.5%, not 3.0%. At $200,000, it's 2.8%. The deduction makes Louisiana's effective tax burden meaningfully lighter than the headline 3.0% rate suggests for every filer.

OLD VS NEW — WHAT THE 2024 REFORM ACTUALLY DID TO PAYCHECKS

The 2024 reform involved two simultaneous changes whose effects partially offset each other. Understanding both sides clarifies the true paycheck impact:

The reform is a net positive for virtually every Louisiana wage earner above modest income — the widened deduction base produces savings that outweigh the rate structure changes at typical working incomes. Very low-income workers who previously benefited from the old 1.85% bottom bracket see a mixed result, since the new 3.0% flat rate is higher than that bottom bracket on small amounts of taxable income. But the larger standard deduction ensures those workers pay state income tax on far less gross income than before.

LOUISIANA VS GULF SOUTH NEIGHBORS — TAKE-HOME AT $70,000

Louisiana's reformed 3.0% flat rate, combined with a generous $12,500 standard deduction, places it among the most competitive income-tax states in the South:

Louisiana's $1,725 is the lowest income tax burden among income-tax states in this comparison. The Louisiana vs Kentucky comparison is particularly revealing: both states use a flat 3.0% rate in 2026, yet Louisiana workers at $70,000 pay $271 less per year in state income tax. The entire difference comes from the standard deduction — Louisiana's $12,500 shields $9,020 more income than Kentucky's $3,480, saving exactly $271 at the shared 3.0% rate. Same rate, vastly different deduction, meaningful dollar gap.

Against zero-tax Texas, Louisiana workers at $70,000 pay a $1,725 annual premium. Whether that gap favors or disfavors Louisiana depends on property taxes, insurance costs, and services — Texas property taxes in major metros often run significantly higher than Louisiana's, partially offsetting the income tax advantage.

NO LOCAL INCOME TAX — LOUISIANA'S CLEAN PAYCHECK ADVANTAGE

Louisiana stands in sharp contrast to Ohio (600+ municipalities with occupational income taxes) and Kentucky (Louisville 2.2%, Lexington 2.25% occupational taxes) in that no Louisiana parish or city levies an income tax on wages. Workers in New Orleans, Baton Rouge, Shreveport, Metairie, and every rural parish receive the same four-deduction pay stub with no geographic surcharge.

Louisiana parishes do collect some of the highest sales tax rates in the nation — the combined state and local sales tax in New Orleans reaches over 9.45% — but sales taxes do not affect paycheck withholding calculations. A Louisiana worker comparing after-tax pay to a Columbus, Ohio worker should factor in that the Ohio worker pays 2.5% city income tax on every paycheck in addition to Ohio's state tax, while the Louisiana worker's paycheck deduction list ends at the state 3.0%.

2026 FEDERAL TAX BRACKETS FOR LOUISIANA WORKERS

Federal income tax applies uniformly to all Louisiana employees. After the 2026 federal standard deduction, Single filer taxable income passes through these tiers:

• 10% on the first $11,925 of taxable income
• 12% from $11,925 to $48,475
• 22% from $48,475 to $103,350
• 24% from $103,350 to $197,300
• 32% from $197,300 to $250,525
• 35% from $250,525 to $626,350
• 37% on taxable income above $626,350

LOUISIANA PAYCHECK CALCULATOR FAQs

What is Louisiana's income tax rate in 2026?
Louisiana uses a flat 3.0% income tax rate effective January 1, 2025 — enacted by Act 1 of the November 2024 special session. The rate applies uniformly to all Louisiana taxable income regardless of income level or filing status, replacing the previous three-bracket system that topped out at 4.25%.

What comes out of a Louisiana paycheck in 2026?
Federal income tax (10%–37%), Social Security at 6.2% up to the $176,100 wage base, Medicare at 1.45% plus 0.9% above $200,000, and Louisiana flat income tax at 3.0% on LA taxable income. No SDI, TDI, paid family leave contribution, or local/parish income tax on wages.

What is the Louisiana standard deduction in 2026?
Louisiana's 2026 standard deduction is $12,500 for Single and Head of Household filers, and $25,000 for Married Filing Jointly. The personal exemption ($4,500 Single under old law) was eliminated in the same 2024 reform — but the new deduction is $8,000 larger than the old deduction, more than compensating for the lost exemption for most workers.

How much will I take home on a $70,000 salary in Louisiana?
Filing as Single on $70,000, Louisiana taxable income is $57,500 after the $12,500 standard deduction. The 3.0% flat rate produces a $1,725 state tax bill. Combined with $7,014 federal and $5,355 FICA, estimated annual take-home is about $55,906, or roughly $4,659 per month.

Why does Louisiana pay less state income tax than Kentucky even though both have a 3.0% flat rate?
Both states share the same 3.0% flat rate in 2026, but Louisiana's standard deduction ($12,500 Single) is more than three times larger than Kentucky's ($3,480). At 3.0%, that $9,020 extra deduction saves Louisiana workers $271 per year compared to Kentucky workers at the same $70,000 salary. The deduction, not the rate, is what distinguishes the two states' paycheck outcomes.

Does Louisiana have local income taxes?
No. No Louisiana parish or city levies an income tax on wages. Workers in New Orleans, Baton Rouge, Shreveport, and every other Louisiana community pay only the statewide 3.0% flat rate. Louisiana parishes collect high sales taxes — but those do not affect paycheck withholding.

Run your Louisiana estimate again any time: Louisiana Paycheck Calculator 2026