Louisiana

State Income Tax

Flat Rate

Exempt

Social Security

2026-05-15

Filing Deadline

Flat

Structure

Full Tax Details

Has Income TaxYes

Tax StructureFlat Rate

Rate3%

Single Standard Deduction$12,500

Married Standard Deduction$25,000

Single Personal ExemptionN/A

Married Personal ExemptionN/A

Taxes Social SecurityExempt

Taxes Retirement IncomeYes

Filing Deadline2026-05-15

Retirement Income Details

Social Security is exempt; retirement income exemption for age 65+ increased to $12,000 for 2026.

Official Payment Portal

Louisiana Department of Revenue

Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.