Finance

Louisiana Income Tax Calculator 2026

How much Louisiana state income tax do I pay in 2026?

On a $75,000 salary, a single filer in Louisiana pays $1,864 of state income tax for 2026 (2.48% of gross pay), after the $12,875 standard deduction. Enter any salary above for your own figure; for comparison, a joint filer on $100,000 pays $2,228.

Louisiana taxes income in 2026 with a flat 3% state income tax. This calculator applies Louisiana's own standard deduction of $12,875 single and $25,750 joint, then walks the state's 2026 schedule bracket by bracket.

Updated October 29, 2026

Your income details

Simple 2026 model: standard deduction and personal exemption only. No credits, no local taxes.

Louisiana income tax
--
--
State taxable income
--
Marginal rate
--
Effective rate on gross pay
--
Income after state tax
--

Your tax, bracket by bracket

The table updates with the calculator above and shows exactly which slices of taxable income are taxed at which rate in Louisiana. On the default $75,000 salary, the top slice reached accounts for $1,864 of the $1,864 bill, about 100 percent; the rest is charged at the lower rates underneath it.

Bracket rangeIncome in bracketRateTax
Enter your income and click Calculate.

Louisiana income tax on common salaries (single filer)

Gross salaryLouisiana income taxEffective rateMarginal rate
$40,000$8142.03%3%
$50,000$1,1142.23%3%
$75,000$1,8642.48%3%
$100,000$2,6142.61%3%
$150,000$4,1142.74%3%

A married couple filing jointly on $100,000 pays $2,228 of Louisiana income tax in this model, thanks to the wider joint schedule and the $25,750 joint standard deduction.

How Louisiana stacks up against other states

For scale, the $1,864 due on $75,000 puts Louisiana 39th highest among the 42 taxing jurisdictions for 2026. Because Louisiana uses one rate, the gap between its marginal and effective rates comes only from the standard deduction, never from bracket creep.

Try the salary slider at $50,000 and $100,000 to feel the flat structure: each additional $1,000 of taxable income always adds the same $30. In graduated states that figure changes as you climb; in Louisiana it never does.

Two ratios describe Louisiana's schedule in practice. The standard deduction and exemption shelter 17.2% of a $75,000 salary before any rate applies, and the bill grows from $1,114 at $50,000 to $2,614 at $100,000, a multiple of 2.35 for a doubling of pay. Flat schedules sit near 2.0 on that measure once the deduction is passed, so at 2.35, Louisiana sits near the flat end of the scale.

State tax is only one slice of the paycheck

This calculator isolates the Louisiana layer. A real Louisiana paycheck also loses federal income tax and 7.65 percent FICA before it lands, which is why the state figure here is smaller than the total tax most people picture. To see the full picture for this state, run the same salary through the Louisiana take-home pay calculator; for the rate schedule itself, see the Louisiana tax brackets for 2026. Comparing Louisiana with other states? The state income tax calculator hub covers every taxing state, and the income tax estimator handles the federal side of the same salary.

Sources and data: 2026 state income tax rates, brackets, standard deductions, and personal exemptions compiled from state revenue department publications and cross-checked against the Tax Foundation, 2026 State Income Tax Rates and Brackets (rates and brackets as of January 1, 2026). Local income taxes, tax credits, and deductions beyond the standard deduction and personal exemption are not modeled. See also our data methodology. Figures are estimates for planning, not financial advice.

Frequently asked questions

How is Louisiana income tax calculated?

Start with gross income, subtract the standard deduction of $12,875 single or $25,750 joint, then apply the 2026 Louisiana rate schedule to what remains.

How much Louisiana income tax is owed on $75,000?

A single filer earning $75,000 pays $1,864 of Louisiana income tax for 2026 in this model. The effective rate is 2.48% of gross pay, while the marginal rate on the next dollar is 3%.

What is the marginal rate in Louisiana?

In Louisiana, your marginal rate is the rate charged on your last dollar of taxable income. On a $75,000 salary for a single filer here it is 3%, and the total bill at that salary is $1,864; the marginal rate steps up as income crosses each of the state's bracket thresholds.

Does this include federal tax or local tax?

No. This calculator covers Louisiana state income tax only. Federal income tax, FICA, and any city or county income tax are separate; the take-home pay calculator for Louisiana combines all of them.