Louisiana Income Tax Calculator
Calculate your Louisiana state income tax alongside federal tax. See the full bracket breakdown, effective rate, and combined tax liability.
Last updated: · Tax Foundation (2025 state brackets) + IRS Rev. Proc. 2025-32 (2026 federal)
On a $75,000 salary in Louisiana (single filer, 2025), your estimated state income tax is $2,223.75 (3.0% effective rate). Combined with federal tax of $7,670.00, your total income tax is $9,893.75 (13.2% combined effective rate). Louisiana has progressive brackets with a top rate of 4.25%. Source: Tax Foundation, state revenue department.
Louisiana Deduction: $9,000.00
Standard deduction: $4,500.00 + Personal exemption: $4,500.00
Relatively low rates. Allows deduction of federal income tax paid. Generous personal exemption.
Federal estimates use 2026 IRS brackets. State estimates use 2025 state rate data.
Results
Louisiana Tax Bracket Breakdown
| Rate | Range | Tax |
|---|---|---|
| 1.85% | $0 – $12,500 | $231.25 |
| 3.50% | $12,500 – $50,000 | $1,312.50 |
| 4.25% | $50,000 – ∞ | $680.00 |
| Total Louisiana Tax | $2,223.75 | |
Compare Louisiana with Other States
How This Is Calculated
Louisiana uses a progressive income tax system. Each bracket's rate applies only to income within that range.
| Rate | Income Range (Single) |
|---|---|
| 1.85% | $0 – $12,500 |
| 3.50% | $12,500 – $50,000 |
| 4.25% | $50,000 – No limit |
Data source
State bracket data from the Tax Foundation (2025 State Individual Income Tax Rates and Brackets). Cross-referenced with the Louisiana revenue department. Federal brackets from IRS Rev. Proc. 2025-32 (2026).
Frequently Asked Questions
- How much is Louisiana income tax on $75,000?
- On a $75,000 salary in Louisiana, you would owe approximately $2,223.75 in state income tax (3.0% effective rate) plus $7,670.00 in federal income tax, for a combined total of $9,893.75 (13.2% combined effective rate).
- What is the Louisiana income tax rate for 2025?
- Louisiana uses a progressive income tax system with rates ranging from 1.85% to 4.25%. Relatively low rates. Allows deduction of federal income tax paid. Generous personal exemption.