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Tax year 2026

Louisiana vs Mississippi Income Tax — 2026

A single filer earning $100,000 pays $654 less per year in Louisiana than in Mississippi — $55 a month. Louisiana charges $2,614; Mississippi charges $3,268.

Why this pair has a page: bordering states.

Louisiana at $100K
$2,614
2.61%
Mississippi at $100K
$3,268
3.27%
Annual difference
$654
$55 a month
National ranks
13 vs 19
of 50, lowest tax first

The bill at every income

Single filer, standard deduction, no dependents. State income tax only.

Louisiana and Mississippi income tax compared at seven income levels, 2026
Gross incomeLouisiana taxMississippi taxDifference
$50,000$1,114$1,268$154 less in LA
$75,000$1,864$2,268$404 less in LA
$100,000$2,614$3,268$654 less in LA
$150,000$4,114$5,268$1,154 less in LA
$250,000$7,114$9,268$2,154 less in LA
$500,000$14,614$19,268$4,654 less in LA
$1,000,000$29,614$39,268$9,654 less in LA
Annual state income tax, Louisiana versus Mississippi
LA at $50,000: $1,114LA at $50,000$1,114MS at $50,000: $1,268MS at $50,000$1,268LA at $75,000: $1,864LA at $75,000$1,864MS at $75,000: $2,268MS at $75,000$2,268LA at $100,000: $2,614LA at $100,000$2,614MS at $100,000: $3,268MS at $100,000$3,268LA at $150,000: $4,114LA at $150,000$4,114MS at $150,000: $5,268MS at $150,000$5,268LA at $250,000: $7,114LA at $250,000$7,114MS at $250,000: $9,268MS at $250,000$9,268LA at $500,000: $14,614LA at $500,000$14,614MS at $500,000: $19,268MS at $500,000$19,268LA at $1,000,000: $29,614LA at $1,000,000$29,614MS at $1,000,000: $39,268MS at $1,000,000$39,268

How the two systems differ

Louisiana and Mississippi income tax systems compared
LouisianaMississippi
Tax structureFlat rateFlat rate
Top marginal rate3%4%
Number of brackets12
Standard deduction (single)$12,875$2,300
Personal exemptionNone$6,000
Local income taxesNoNo
Capital gainsordinaryordinary
Population (2024)4,597,7402,943,045

By filing status

Louisiana and Mississippi tax on $100,000 by filing status, 2026
Filing statusLouisianaMississippiDifference
Single$2,614$3,268$654 less in LA
Married filing jointly$2,228$2,936$709 less in LA
Married filing separately$2,614$3,268$654 less in LA
Head of household$2,228$3,144$917 less in LA

Change the assumptions

Adjust income and filing status, or swap either state. The URL updates so you can share the exact comparison.

At $100,000 as a single filer, Louisiana costs $654 less per year than Mississippi — $55 a month.

Louisiana compared with Mississippi at $100,000
LouisianaMississippiDifference
State income tax$2,614$3,268$654
Per month$218$272$55
Effective rate2.61%3.27%0.65 pts
Marginal rate3%4%1.00 pts
Standard deduction$12,875$2,300$10,575
Taxable income$87,125$91,700$4,575
Tax structureFlat rateFlat rate
Local income taxesNoNo

Full detail: Louisiana · Mississippi · methodology

What this comparison leaves out

Sources for both states

  1. 1.Louisiana Department of Revenue, Tax Policy and Planning DivisionState revenue department
    Notice of Intent — Income Tax Withholding Tables (LAC 61:I.1501), 2026 standard deduction adjustment
    https://dam.ldr.la.gov/lawspolicies/1501-OSR.pdf
    Retrieved
  2. 2.Tax FoundationResearch organisation (cross-check)
    State Individual Income Tax Rates and Brackets, 2026
    https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/
    Retrieved
  3. 3.Mississippi Department of RevenueState revenue department
    Tax Rates, Exemptions, & Deductions
    https://www.dor.ms.gov/individual/tax-rates
    Retrieved · 0% on the first $10,000 of taxable income; excess of $10,000 taxed at 4.4% (2025), 4% (2026), 3.75% (2027). Standard deduction and exemption tables by filing status.

Figures on this page were last checked against these sources on . Found something wrong? Report it.