Louisiana income tax goes up to 3% at the top bracket. Calculate your combined federal + state effective tax rate for 2026. Formula shown, sources cited — no account required.
The state uses a graduated income tax with a top marginal rate of just 3.0% — among the lowest of any state that levies broad income taxes. The first bracket starts at 1.85%, and most middle-income earners see effective rates well below the top rate. For the median earner at $60,986, state income tax typically runs between $1,100 and $1,500 per year, making the state income tax burden genuinely light. Federal taxes stack on top at graduated rates, and the combined effective rate for a median household typically lands in the low-to-mid twenties. What offsets the low income tax is the nation's highest combined sales tax environment — the state rate plus local parish additions average 10.11%, affecting every purchase from groceries to electronics. This sales tax structure shifts the tax burden from income to consumption. Social Security income is excluded from state tax, and up to $6,000 of pension income is exempt, helping older residents minimize their tax exposure. There is no state estate tax, which benefits larger estates. Use the tax bracket calculator to see your marginal and effective state income tax rate and compare it to your actual sales tax spend.
Louisiana Tax Brackets Explained (2026)
Louisiana has a state income tax with a top marginal rate of 3%. On top of federal rates (10%–37%), residents can face a combined marginal rate exceeding 35% at higher income levels. However, your effective rate is always lower than the marginal rate because only income above each threshold is taxed at that bracket's rate.
The median household in Louisiana earns $60,986/year. At that income (single filer), the federal effective rate is approximately 12–14%, bringing total income tax (federal + state) to roughly 14–16%.
How Marginal vs. Effective Rate Works
The marginal rate is the rate on your last dollar of income — it does not apply to all income. The effective rate is your total tax divided by total income. For example, someone earning $100,000 in Louisiana has a 22% federal marginal rate but an effective federal rate of roughly 15%, because the first $44,725 (2024) is taxed at 10% and 12%, not 22%.