Oklahoma Income Tax Brackets 2026

Oklahoma uses a progressive income tax system with 6 brackets.

State Tax

4.8%

Top marginal rate

COL Index

89

Below national avg

Median Income

$59,132

Household

Brackets

6

Progressive

Oklahoma Tax Brackets

Income RangeMarginal Rate
$0$1,0000.25%
$1,000$2,5000.75%
$2,500$3,7501.75%
$3,750$4,9002.75%
$4,900$7,2003.75%
$7,200and above4.75%

Oklahoma State Tax at Different Income Levels

Gross IncomeState TaxEffective Rate
$50,000$2,1874.37%
$75,000$3,3744.50%
$100,000$4,5624.56%
$150,000$6,9374.62%
$200,000$9,3124.66%
$300,000$14,0624.69%

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Frequently Asked Questions about Oklahoma Taxes

Does Oklahoma have state income tax?

Oklahoma has a progressive income tax system with rates ranging from 0.3% to 4.8% for 2026.

How much is federal tax in Oklahoma?

Federal income tax in Oklahoma is the same as in all other US states. For 2026, the federal brackets range from 10% to 37%, depending on your taxable income and filing status.

What is the cost of living in Oklahoma?

The cost of living in Oklahoma has an index of 89, where 100 is the national average. This means Oklahoma is 11% cheaper than the average US state.