Tax Bracket for Oklahoma (2026)
Last updated: January 15, 2026
Oklahoma (OK) Key Facts
Tax Structure
Progressive (3 brackets)
Top Marginal Rate
4.75%
Number of Brackets
3
Tax Year
2,026
How This Calculator Works in Oklahoma
This calculator shows which Oklahoma tax bracket your income falls into. Enter your income and filing status to see marginal and effective rates.
Oklahoma Overview
Oklahoma uses a progressive income tax system with 3 brackets ranging from 0.25% to 4.75%. Higher portions of your income are taxed at higher rates, so your effective rate is always lower than your top marginal bracket.
How Oklahoma Compares
Oklahoma's top rate of 4.75% compares to Texas at 0% and Kansas at 5.7%. Comparing effective rates is more meaningful than top rates alone.
| State | Top Rate | Notes |
|---|---|---|
| Texas | 0% | Texas has an income tax rate of 0%. |
| Kansas | 5.7% | Kansas has an income tax rate of 5.7%. |
| Arkansas | 3.9% | Arkansas has an income tax rate of 3.9%. |
Oklahoma's income tax rate of 4.75% compares to a national average of approximately 5.04%. This is below the national average.
Tips for Oklahoma Residents
- 1Oklahoma has a progressive income tax with 3 brackets ranging from 0.25% to 4.75%.
- 2Your marginal rate (the rate on your last dollar) is often higher than your effective rate (total tax / total income).
- 3Moving into a higher bracket only taxes the additional income at the higher rate, not your entire income.
- 4Pre-tax 401(k) and IRA contributions can keep you in a lower Oklahoma bracket by reducing taxable income.
- 5Compare your effective rate rather than marginal rate when evaluating Oklahoma's tax impact on your finances.