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Tax year 2026

Missouri vs Oklahoma Income Tax — 2026

A single filer earning $100,000 pays $192 less per year in Missouri than in Oklahoma — $16 a month. Missouri charges $3,763; Oklahoma charges $3,955.

Why this pair has a page: bordering states.

Missouri at $100K
$3,763
3.76%
Oklahoma at $100K
$3,955
3.95%
Annual difference
$192
$16 a month
National ranks
26 vs 28
of 50, lowest tax first

The bill at every income

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

Missouri and Oklahoma income tax compared at seven income levels, 2026
Gross incomeMissouri taxOklahoma taxDifference
$50,000$1,413$1,705$292 less in MO
$75,000$2,588$2,830$242 less in MO
$100,000$3,763$3,955$192 less in MO
$150,000$6,113$6,205$92 less in MO
$250,000$10,813$10,705$108 less in OK
$500,000$22,563$21,955$608 less in OK
$1,000,000$46,063$44,455$1,608 less in OK
Annual state income tax, Missouri versus Oklahoma
MO at $50,000: $1,413MO at $50,000$1,413OK at $50,000: $1,705OK at $50,000$1,705MO at $75,000: $2,588MO at $75,000$2,588OK at $75,000: $2,830OK at $75,000$2,830MO at $100,000: $3,763MO at $100,000$3,763OK at $100,000: $3,955OK at $100,000$3,955MO at $150,000: $6,113MO at $150,000$6,113OK at $150,000: $6,205OK at $150,000$6,205MO at $250,000: $10,813MO at $250,000$10,813OK at $250,000: $10,705OK at $250,000$10,705MO at $500,000: $22,563MO at $500,000$22,563OK at $500,000: $21,955OK at $500,000$21,955MO at $1,000,000: $46,063MO at $1,000,000$46,063OK at $1,000,000: $44,455OK at $1,000,000$44,455

How the two systems differ

Missouri and Oklahoma income tax systems compared
MissouriOklahoma
Tax structureGraduatedGraduated
Top marginal rate4.7%4.5%
Number of brackets84
Standard deduction (single)$16,100$6,350
Personal exemptionNone$1,000
Local income taxesYesNo
Capital gainspreferentialordinary
Population (2024)6,245,4664,095,393

By filing status

Missouri and Oklahoma tax on $100,000 by filing status, 2026
Filing statusMissouriOklahomaDifference
Single$3,763$3,955$192 less in MO
Married filing jointly$3,006$3,409$403 less in MO
Married filing separately$3,763$3,955$192 less in MO
Head of household$3,384$3,605$220 less in MO

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, Missouri costs $192 less per year than Oklahoma — $16 a month.

Missouri compared with Oklahoma at $100,000
MissouriOklahomaDifference
State income tax$3,763$3,955$192
Per month$314$330$16
Effective rate3.76%3.95%0.19 pts
Marginal rate4.7%4.5%0.20 pts
Standard deduction$16,100$6,350$9,750
Taxable income$83,900$92,650$8,750
Tax structureGraduatedGraduated
Local income taxesYesNo

Local taxes are not included above. Missouri has localities that levy their own income tax on top of the state figure. See each state page for the rates that apply.

Full detail: Missouri · Oklahoma · methodology

Local income taxes change this picture

What this comparison leaves out

Sources for both states

  1. 1.Missouri Department of RevenueState revenue department
    2026 Missouri Withholding Tax Formula
    https://dor.mo.gov/forms/Withholding%20Formula_2026.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.Oklahoma Tax CommissionState revenue department
    2026 Oklahoma Income Tax Withholding Tables (Packet OW-2, revised 11-2025)
    https://www.oklahoma.gov/content/dam/ok/en/tax/documents/resources/publications/businesses/withholding-tables/WHTables-2026.pdf
    Retrieved

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