Mississippi

State Income Tax

Flat Rate

Exempt

Social Security

2026-04-15

Filing Deadline

Flat

Structure

Full Tax Details

Has Income TaxYes

Tax StructureFlat Rate

Rate4%

Single Standard Deduction$2,300

Married Standard Deduction$4,600

Single Personal Exemption$6,000

Married Personal Exemption$12,000

Taxes Social SecurityExempt

Taxes Retirement IncomeExempt

Filing Deadline2026-04-15

Retirement Income Details

Social Security and qualified retirement/pension income are completely tax-exempt.

Official Payment Portal

Mississippi Department of Revenue

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