Mississippi Quarterly Tax Estimator 2026

Mississippi Tax Overview for Estimated Payments

Mississippi has a flat income tax rate of 4% — reduced from a tiered system that previously reached higher rates. Mississippi is actively cutting taxes under recently enacted legislation, with the 4% rate scheduled to decline further in coming years. The standard deduction is $2,300 for single filers, which is quite low and means more income is exposed to the 4% rate than in states using the federal $16,100 standard deduction. No Mississippi city charges a local income tax on wages, so workers in Jackson, Gulfport, Hattiesburg, and Biloxi all face the same statewide rate.

Here's what a single Mississippi filer keeps in 2026. On a $50,000 salary, take-home is approximately $40,257 per year ($3,355/month) after federal, FICA, and state taxes. At $80,000, take-home is approximately $61,470 ($5,123/month), with the state taking $3,108. At $100,000, you keep about $74,740 ($6,228/month). At $150,000, take-home is approximately $107,274 ($8,940/month). Mississippi's low standard deduction of $2,300 means the effective state tax rate is close to the full 4% for most earners — unlike states where generous deductions reduce the effective rate well below the headline number.

Compared to neighboring Tennessee (no income tax), a Mississippi worker at $80,000 takes home approximately $3,108 less per year — a meaningful gap. Against Louisiana (3% flat with a generous federal tax deduction benefit), Louisiana workers take home about $1,000 more per year at $80,000. Against Alabama (graduated up to 5% with federal tax deduction allowed), Mississippi's 4% flat rate is somewhat more competitive for higher earners. Mississippi's low cost of living — among the lowest in the nation — means the real purchasing power of take-home pay often outpaces what the nominal numbers suggest.

Watch out: Mississippi's 4% rate is the 2026 number, and under current legislation the rate is scheduled to continue declining. If you're doing multi-year income planning, check the most current legislative schedule. Also note that Mississippi's low standard deduction ($2,300) is not indexed to inflation the way the federal standard deduction is, so without legislative changes it gradually covers a smaller and smaller share of income over time. For workers planning major financial decisions, model the rate at its current level and treat any future cuts as upside.