Louisiana variant. This is a Louisiana-specific version of the Income Tax Calculator, using pre-defined local figures (tax rates, median home and income values, and typical regional costs). For the full formula, methodology, and FAQ, open the main Income Tax Calculator.
Louisiana income tax (1.85-4.25% across 3 brackets) stacks on top of federal tax. Understanding both layers is essential to estimating your total Louisiana tax bill.
Louisiana state income tax structure
Louisiana taxes income at 1.85-4.25% across 3 brackets, with a top marginal rate of 4.25%. Like the federal system, only income within each bracket is taxed at that bracket's rate.
Federal brackets (10%–37%) apply nationwide. Combine your federal effective rate with the Louisiana rate to find your true marginal tax on the next dollar earned.
About taxes and housing in Louisiana
Louisiana has a graduated income tax with a low top rate and allows a deduction for federal income taxes paid.
Louisiana has low property taxes and a generous homestead exemption, but it has some of the highest auto insurance costs in the nation.
Louisiana's economy is tied to oil and gas, petrochemicals, shipping along the Mississippi River, and a major tourism sector in New Orleans.
Worked example: state tax on $57,852
Using the 4.25% top rate as a ceiling, state income tax on $57,852 is at most about $2,459; the actual figure is lower after brackets and deductions.
Quick reference
- State income tax: 1.85-4.25% across 3 brackets
- State sales tax: 4.45% (plus 5.10% avg local)
- Median home value: $200,000
- Median household income: $57,852
- Effective property tax rate: 0.55%
- Avg auto insurance: $2,864/yr
Frequently Asked Questions
Does Louisiana have state income tax?
Yes - 1.85-4.25% across 3 brackets, topping out at 4.25%.
What is the top tax rate in Louisiana?
The top marginal state rate is 4.25%.