Oklahoma income tax and brackets 2026
Oklahoma taxes income at 4 rates in 2026, from 0% on the first $3,750 of a single filer's taxable income to 4.5% above $7,200. A single filer earning $75,000 in Oklahoma owes about $10,500 in federal and state income tax, an effective rate of 14.0%.
Income tax · 2026
See the brackets $10,500for the year
Effective rate 14.0% of income
Federal income tax$7,67073.1%
Oklahoma income tax$2,83026.9%
Taxable income
$58,900
Top federal rate
22%
Top Oklahoma rate
4.5%
Oklahoma tax brackets 2026
Oklahoma brackets · 2026
0% to 4.5%
4 brackets
Your top bracket
4.5%
Average rate
4.2%
Taxable income
$67,650
How your $2,830 adds up
0% on the first $3,750$0
2.5% on the next $1,150$291.0%
3.5% on the next $2,300$812.8%
4.5% on the last $60,450$2,72096.1%
Oklahoma brackets, single
| Rate | Taxable income | Tax owed |
|---|---|---|
| 0% | $0 to $3,750 | 0% of taxable income |
| 2.5% | $3,750 to $4,900 | $0.00 + 2.5% over $3,750 |
| 3.5% | $4,900 to $7,200 | $28.75 + 3.5% over $4,900 |
| 4.5%You | Over $7,200 | $109.25 + 4.5% over $7,200 |
Oklahoma at a glance
- Income tax
- 0% to 4.5%
- Standard deduction
- $6,350
- Personal exemption
- $1,000
- State payroll taxes
- None
- Local income tax
- None
- Sales tax
- 4.5%
- 2026 return due
- Apr 15, 2027
How we work it out
- 1IncomeYour income for the year, less pre-tax retirement savings.
- 2DeductionThe larger of the standard deduction and your itemized total.
- 3Federal bracketsEach rate from 10% to 37% taxes only the income inside it.
- 4OklahomaOklahoma's own deduction and rates on the same income.
- 5Effective rateYour total tax divided by your income.
Oklahoma income tax questions
What are the Oklahoma tax brackets for 2026?
Oklahoma has 4 brackets for single filers, from 0% on the first $3,750 of taxable income to 4.5% on income over $7,200.
How much income tax do I pay on $75,000 in Oklahoma?
A single filer earning $75,000 owes about $7,670 in federal income tax and $2,830 in Oklahoma income tax for 2026, $10,500 in all. That is 14.0% of income.
Why is my average rate lower than my tax bracket?
Each rate taxes only the income inside its bracket. A single filer with $67,650 of Oklahoma taxable income is in the 4.5% bracket, but only the $60,450 above $7,200 pays 4.5%. The lower rates tax the rest, so the brackets come to $2,830, 4.2% on average.
What are the 2026 federal tax brackets?
Seven rates: 10%, 12%, 22%, 24%, 32%, 35% and 37%. The 37% rate starts above $640,600 for single filers and above $768,700 for married couples filing jointly.
Will Oklahoma's brackets change?
HB 2764 (2025) cut the top rate from 4.75% to 4.5% for 2026 and collapsed six brackets into a 0% band plus 2.5%, 3.5% and 4.5%; further 0.25-point cuts happen in later years only if revenue triggers are met.
What is the 2026 standard deduction?
$16,100 for single filers, $32,200 for married couples filing jointly and $24,150 for heads of household. Oklahoma's own is $6,350 for single filers.
Sources
- IRS Revenue Procedure 2025-32: 2026 brackets and standard deduction
- Social Security Administration: 2026 contribution and benefit base
- IRS Notice 2025-67: 2026 retirement plan limits
- Oklahoma Tax Commission
- OTC Packet OW-2, 2026 Oklahoma Income Tax Withholding Tables (effective January 1, 2026): annual table is 0% to $10,100 single / $20,200 married, then 2.5%, 3.5%, 4.5%; $1,000 withholding allowance
- OTC Packet OW-2, 2025 tables (method check: the annual table starts exactly at the $6,350 / $12,700 standard deduction)
- 2025 Oklahoma Form 511 packet: standard deduction $6,350 / $12,700 / $9,350 head of household, $1,000 per exemption, tax table column 'Married filing joint or head of household', due date rules
- Tax Foundation, State Individual Income Tax Rates and Brackets, 2026 (cross-check)
- Tax Foundation, State and Local Sales Tax Rates, Midyear 2026 (state rate)
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