Mississippi State Tax Calculator 2026
Estimate your Mississippi state income tax and take-home pay for tax year 2026.
Last updated: November 2025 · Source
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Mississippi 2026 tax overview
Flat 4% for 2026 (down from 4.4% in 2025); first $10,000 of taxable income exempt. Phased toward 3% by 2030.
Breakdown
Mississippi income tax brackets, 2026
Mississippi charges one rate on all taxable income. Figures are for single filers unless the state uses one schedule for all statuses.
| Taxable income | Rate | Tax on this bracket |
|---|---|---|
| $0 to $10,000 | 0% | $0 max |
| Over $10,000 | 4% | 4% of everything above $10,000 |
Brackets apply to income after the Mississippi standard deduction of $2,300 single and $4,600 married filing jointly, which is separate from the federal standard deduction.
Frequently Asked Questions
What are the 2026 Mississippi income tax rates?
Mississippi charges a flat 0% on taxable income for 2026. Flat 4% for 2026 (down from 4.4% in 2025); first $10,000 of taxable income exempt. Phased toward 3% by 2030.
At what income does the top Mississippi tax rate start?
Mississippi has a single rate, so it applies from the first dollar of taxable income above the standard deduction. There is no higher bracket to reach.
What is the 2026 Mississippi standard deduction?
Mississippi allows a state standard deduction of $2,300 for single filers and $4,600 for married filing jointly in 2026. This is separate from the federal standard deduction, which is $16,100 and $32,200 respectively.
Does Mississippi tax Social Security and retirement income?
Mississippi does not tax Social Security, and exempts all qualified retirement income (pensions, 401(k)s and IRAs) regardless of amount. One of the most generous treatments in the country.
What surprises people most about Mississippi income tax?
The first slice of taxable income is taxed at 0%, so Mississippi is a flat tax with an exemption rather than a true flat tax. The state is legislating toward full repeal.