Oklahoma

State Income Tax

0.25–4.75%

Rate Range

Exempt

Social Security

2026-04-15

Filing Deadline

6 brackets

Structure

Full Tax Details

Has Income TaxYes

Tax Structure6 Brackets

Rate0.25–4.75%

Single Standard Deduction$6,350

Married Standard Deduction$12,700

Single Personal Exemption$1,000

Married Personal Exemption$2,000

Taxes Social SecurityExempt

Taxes Retirement IncomeYes

Filing Deadline2026-04-15

Retirement Income Details

Social Security exempt; up to $10,000 of retirement income exclusion for some taxpayers.

Official Payment Portal

Oklahoma Department of Revenue

Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.