Oklahoma Tax Rates, Brackets

Find Oklahoma income tax forms, tax brackets and rates by tax year.

If you still need to file a return for a previous tax year, find the Oklahoma tax forms below. You can complete and sign the forms here on eFile.com before you mail them to the OK Tax Agency. For Federal or IRS back taxes access the tax forms here.

Oklahoma income tax return information and other related features (e.g. tax extension, amendment, etc.) below.

Oklahoma Income Tax Returns

Income Tax Brackets, Rates, Income Ranges, and Estimated Taxes Due

Here you can find how your Oklahoma based income is taxed at different rates within the given tax brackets. When you prepare your return on eFile.com this is all calculated for you based on your income.

Oklahoma Tax Brackets for Tax Year 2025

For tax year 2025, Oklahoma has six marginal income tax brackets, ranging from 0.25% (the lowest rate) to 4.75%, and these rates have not changed from the 2024 tax year.

Oklahoma Tax Brackets for Tax Year 2024

For tax year 2024, Oklahoma had six marginal income tax brackets, ranging from 0.25% (the lowest Oklahoma tax bracket) to 4.75%.

Oklahoma Tax Brackets for Tax Year 2023

Previous Oklahoma Income Brackets.

Oklahoma Tax Brackets for Tax Year 2022

Previous Oklahoma Income Brackets.

• Income Tax Brackets for Other States: Compare State Tax Brackets, Rates
• For your personal Effective IRS Tax Rate use the RATEucator Tool

Oklahoma Standard and Itemized Deductions

The Oklahoma standard deductions did not increase for 2024 tax year. You can also itemize your Oklahoma deductions.

When you prepare and eFile your Tax Return the eFile Tax App will apply the correct standard deductions for you or you can apply the itemized deduction method.

• Other Standard Deductions by State: Compare State Standard Deduction Amounts
• IRS Standard Deduction: Federal Standard Deductions

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