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Tax year 2026

Oklahoma vs Texas Income Tax — 2026

A single filer earning $100,000 pays $3,955 less per year in Texas than in Oklahoma — $330 a month. Oklahoma charges $3,955; Texas charges $0.

Why this pair has a page: bordering states.

Oklahoma at $100K
$3,955
3.95%
Texas at $100K
$0
0.00%
Annual difference
$3,955
$330 a month
National ranks
28 vs 7
of 50, lowest tax first

The bill at every income

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

Oklahoma and Texas income tax compared at seven income levels, 2026
Gross incomeOklahoma taxTexas taxDifference
$50,000$1,705$0$1,705 less in TX
$75,000$2,830$0$2,830 less in TX
$100,000$3,955$0$3,955 less in TX
$150,000$6,205$0$6,205 less in TX
$250,000$10,705$0$10,705 less in TX
$500,000$21,955$0$21,955 less in TX
$1,000,000$44,455$0$44,455 less in TX
Annual state income tax, Oklahoma versus Texas
OK at $50,000: $1,705OK at $50,000$1,705TX at $50,000: $0TX at $50,000$0OK at $75,000: $2,830OK at $75,000$2,830TX at $75,000: $0TX at $75,000$0OK at $100,000: $3,955OK at $100,000$3,955TX at $100,000: $0TX at $100,000$0OK at $150,000: $6,205OK at $150,000$6,205TX at $150,000: $0TX at $150,000$0OK at $250,000: $10,705OK at $250,000$10,705TX at $250,000: $0TX at $250,000$0OK at $500,000: $21,955OK at $500,000$21,955TX at $500,000: $0TX at $500,000$0OK at $1,000,000: $44,455OK at $1,000,000$44,455TX at $1,000,000: $0TX at $1,000,000$0

How the two systems differ

Oklahoma and Texas income tax systems compared
OklahomaTexas
Tax structureGraduatedNo income tax
Top marginal rate4.5%None
Number of brackets4—
Standard deduction (single)$6,350—
Personal exemption$1,000—
Local income taxesNoNo
Capital gainsordinarynone
Population (2024)4,095,39331,290,831

By filing status

Oklahoma and Texas tax on $100,000 by filing status, 2026
Filing statusOklahomaTexasDifference
Single$3,955$0$3,955 less in TX
Married filing jointly$3,409$0$3,409 less in TX
Married filing separately$3,955$0$3,955 less in TX
Head of household$3,605$0$3,605 less in TX

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, Texas costs $3,955 less per year than Oklahoma — $330 a month.

Oklahoma compared with Texas at $100,000
OklahomaTexasDifference
State income tax$3,955$0$3,955
Per month$330$0$330
Effective rate3.95%0.00%3.95 pts
Marginal rate4.5%None4.50 pts
Standard deduction$6,350—$6,350
Taxable income$92,650—$92,650
Tax structureGraduatedNo income tax
Local income taxesNoNo

Full detail: Oklahoma · Texas · methodology

What this comparison leaves out

Sources for both states

  1. 1.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
  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.Texas Comptroller of Public AccountsState revenue department
    Texas Taxes
    https://comptroller.texas.gov/taxes/
    Retrieved

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