Louisiana Income Tax Calculator
Louisiana's top marginal state income tax rate is 4.25%. This calculator combines federal and state brackets to estimate your total liability.
Louisiana Income Tax in 2026
Louisiana uses a low income tax with a top marginal rate of 4.25%. That rate kicks in at higher income levels; most filers fall into a lower effective bracket. Lower-income households often pay an effective state rate of 2–4%.
Combined with federal tax (10%–37%), Social Security (6.2% up to the wage base) and Medicare (1.45%), the all-in federal+state tax bite for Louisiana residents at $100k gross typically lands in the 25%–32% effective range, depending on deductions.
Federal + State Tax at Common Income Levels (Louisiana, single filer)
| Gross Income | Federal Tax | State Tax | Take-Home |
|---|---|---|---|
| $40,000 | $2,816 | $702 | $36,482 |
| $60,000 | $5,216 | $1,254 | $53,530 |
| $80,000 | $9,441 | $1,807 | $68,752 |
| $100,000 | $13,841 | $2,359 | $83,800 |
| $150,000 | $25,539 | $3,740 | $120,721 |
| $200,000 | $37,539 | $5,122 | $157,340 |
| $300,000 | $70,265 | $7,884 | $221,851 |
Estimates only — assumes standard deduction, no credits, no FICA. Consult a CPA for filing decisions.