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Oklahoma State Tax Guide (2026)

Graduated system, top rate ~4.75% (reduced from 5% in recent reforms). 2026 thresholds — verify against OK Tax Commission. Not a community property state.

Income tax structuregraduated
Top marginal rate4.8%
Flat rate—
Local income taxNone
Reciprocity agreementsNone listed
Convenience-of-employer ruleNo
Community property stateNo
State estate / inheritance taxNo
QSBS conformityunknown

Quick answer (Oklahoma, 2026)

Oklahoma uses a graduated individual income tax and a top rate of 4.8%. There is no local (city/county) income tax on top of the state rate. No state estate or inheritance tax applies. Source: Tax Foundation — State Individual Income Tax Rates and Brackets, 2026 (retrieved 2026-08-11).

⚠ Some figures for Oklahoma are not yet fully verified. Treat as indicative and confirm with the Oklahoma Department of Revenue before relying on them.

Why it matters: State income tax is only part of the picture. Residency, sourcing of income, credits, and local taxes change the effective burden. Use the embedded estimator below for your own number, and check reciprocity and convenience-rule status before a move or remote-work arrangement.

This guide summarizes structural facts for planning. It is not a substitute for the official Oklahoma tax code or a licensed preparer.

Estimate your Oklahoma state income tax

Pre-filled for Oklahoma (OK). Enter your state taxable income and filing status to see the estimated state (and any local) tax, effective rate, and a printable breakdown.

Structure
graduated
Top rate
4.8%
State tax
$3,612
Eff. rate (state+local)
4.5%

Graduated system, top rate ~4.75% (reduced from 5% in recent reforms). 2026 thresholds — verify against OK Tax Commission. Not a community property state.

⚠ Some figures for this state are not yet fully verified — confirm with the state Department of Revenue before relying on them.

Not tax, legal, or financial advice

FiscTalk provides general educational information from public sources. Tax outcomes depend on your full facts, filing history, and jurisdiction-specific rules that change yearly. Before filing or making decisions, consult a licensed CPA, EA, or attorney. FiscTalk is not a fiduciary and is not affiliated with the IRS or any state agency.

Sources & methodology

Figures as of 2026-08-09Primary sources

Frequently asked questions

Does Oklahoma have a state income tax in 2026?
Yes. oklahoma uses a graduated individual income tax and a top rate of 4.8%.
What is the top income tax rate in Oklahoma for 2026?
The top marginal individual income tax rate in Oklahoma for 2026 is 4.8%.
Does Oklahoma have local income taxes?
No. Oklahoma has no local income tax on top of the state rate.
Does Oklahoma have an estate or inheritance tax?
No. Oklahoma does not levy a state estate or inheritance tax; the federal estate tax may still apply above the $15M exemption.

Not tax, legal, or financial advice

FiscTalk provides general educational information from public sources. Tax outcomes depend on your full facts, filing history, and jurisdiction-specific rules that change yearly. Before filing or making decisions, consult a licensed CPA, EA, or attorney. FiscTalk is not a fiduciary and is not affiliated with the IRS or any state agency.

Sources & methodology

Figures as of 2026-08-09Primary sources
By: FiscTalk Editorial TeamSourced & checked: In-house, against primary sourcesPublished: 2026-08-09Last reviewed: 2026-08-09

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