Oklahoma State Income Tax Overview
Oklahoma (OK) state income tax rate: 4.75% (graduated rate system)
Oklahoma Income Tax Brackets (2026)
0.25% on first $1,000; 0.75% on $1,001–$2,500; 1.75% on $2,501–$3,750; 2.75% on $3,751–$4,900; 3.75% on $4,901–$7,200; 4.75% above $7,200 (single)
Oklahoma has six graduated brackets with a moderate top rate of 4.75%. The top rate applies at a low threshold of $7,200 for single filers, meaning most Oklahoma workers pay at or near the top rate on most of their income. Oklahoma allows a deduction for federal income taxes paid.
Median Household Income in Oklahoma
The median household income in Oklahoma is $54,449. Oklahoma's median income is below the national average, with an economy anchored in energy (oil and gas), agriculture, and aerospace. The Oklahoma City and Tulsa metros have diverse economies but statewide income growth has been modest.
How to Use This Calculator for Oklahoma
- Enter your gross income and filing status
- The calculator applies Oklahoma's graduated income tax rate of up to 4.75%
- Subtract your standard deduction and any applicable credits
- Review your estimated state and federal tax liability
Frequently Asked Questions
What is the Oklahoma state income tax rate?
Oklahoma has a graduated income tax with a top rate of 4.75%. 0.25% on first $1,000; 0.75% on $1,001–$2,500; 1.75% on $2,501–$3,750; 2.75% on $3,751–$4,900; 3.75% on $4,901–$7,200; 4.75% above $7,200 (single).
How does Oklahoma's income tax compare to the national average?
Oklahoma's top income tax rate of 4.75% applies to a graduated rate system. Oklahoma has six graduated brackets with a moderate top rate of 4.75%. The top rate applies at a low threshold of $7,200 for single filers, meaning most Oklahoma workers pay at or near the top rate on most of their income. Oklahoma allows a deduction for federal income taxes paid.
What is the median household income in Oklahoma?
The median household income in Oklahoma is $54,449. Oklahoma's median income is below the national average, with an economy anchored in energy (oil and gas), agriculture, and aerospace. The Oklahoma City and Tulsa metros have diverse economies but statewide income growth has been modest.
Is this state income tax calculator free to use for Oklahoma?
Yes, this state income tax calculator is 100% free with no signup required. It includes Oklahoma-specific tax rates and calculates your estimated state and federal tax liability instantly.