2026 Oklahoma State Income Tax Brackets - Single Filer
Oklahoma's 2026 single filer schedule now uses 0%, 2.5%, 3.5%, and 4.5% brackets. The top rate applies above $7,200 of Oklahoma taxable income, after the state standard deduction.
Updated May 12, 2026 - Sources: Oklahoma Tax Commission and 68 O.S. Sec. 2355.
Oklahoma 2026 single filer bracket schedule
| Taxable income | Rate | Use this after |
|---|---|---|
| $0 to $3,750 | 0.0% | Subtracting the $6,350 Oklahoma standard deduction or allowed itemized deductions |
| $3,750 to $4,900 | 2.5% | Subtracting the $6,350 Oklahoma standard deduction or allowed itemized deductions |
| $4,900 to $7,200 | 3.5% | Subtracting the $6,350 Oklahoma standard deduction or allowed itemized deductions |
| Over $7,200 | 4.5% | Subtracting the $6,350 Oklahoma standard deduction or allowed itemized deductions |
These are statutory taxable-income brackets. Payroll withholding tables may show different wage ranges because withholding allowances are applied first.
Oklahoma tax estimate by gross income
| Gross income | OK standard deduction | OK taxable income | OK income tax | Effective OK rate |
|---|---|---|---|---|
| $30,000 | $6,350 | $23,650 | $850 | 2.83% |
| $45,000 | $6,350 | $38,650 | $1,525 | 3.39% |
| $65,000 | $6,350 | $58,650 | $2,425 | 3.73% |
| $85,000 | $6,350 | $78,650 | $3,325 | 3.91% |
| $125,000 | $6,350 | $118,650 | $5,125 | 4.10% |
| $200,000 | $6,350 | $193,650 | $8,500 | 4.25% |
Frequently asked questions
What are the 2026 Oklahoma income tax brackets for single filers?v
For tax year 2026, Oklahoma single filers and married filing separately filers use four statutory taxable-income brackets: 0% up to $3,750, 2.5% up to $4,900, 3.5% up to $7,200, and 4.5% above $7,200.
What is the Oklahoma standard deduction for a single filer?v
This calculator uses the current Oklahoma Form 511 standard deduction amount of $6,350 for single filers. The 2026 federal single standard deduction is $16,100, so Oklahoma taxable income can be higher than federal taxable income.
Why do Oklahoma withholding tables show different numbers?v
Oklahoma payroll withholding tables apply withholding allowances and payroll periods. The income tax return uses Oklahoma taxable income. For calculator and filing estimates, use the statutory taxable-income brackets instead of copying wage thresholds from withholding tables.
How much Oklahoma tax does a $65,000 single filer owe?v
A $65,000 single filer has about $58,650 of Oklahoma taxable income before credits using the standard deduction. The 2026 Oklahoma income tax estimate is about $2,425, before credits, withholding, and local payroll details.