Oklahoma Income Tax Guide (2026)
Oklahoma (OK) — wage income tax structure: progressive. Data status: simplified. Last verified 2026-07-20.
Calculator
Structure
progressive
Sample state tax*
$3,368.26
Marginal (state)
4.75%
Est. net after fed+FICA+state*
$58,224.24
*Illustrative single filer with $75,000 wages treated as AGI/taxable for state preview (no state deduction modeling). Federal uses the standard deduction. Not a filing worksheet.
Oklahoma income tax rates and brackets
| Rate | Taxable income (single, cents→USD) |
|---|---|
| 0.25% | $0.00 – $1,000.00 |
| 0.75% | $1,000.01 – $2,500.00 |
| 1.75% | $2,500.01 – $3,750.00 |
| 2.75% | $3,750.01 – $4,900.00 |
| 3.50% | $4,900.01 – $7,200.00 |
| 4.75% | $7,200.01 and above |
Federal, state and FICA take-home breakdown
On the $75,000 single-filer sample: federal income tax $7,670.00, employee FICA $5,737.50, state income tax $3,368.26. Approximate taxable income after federal standard deduction ≈ $58,900 (federal only).
Notes and caveats
- Progressive brackets for TY2026. Joint thresholds are simplified (often ~2× single) unless noted; verify filing-status tables before filing. Top marginal rate ≈ 4.75%.
Official sources
Tax Foundation — 2026 state income tax rates and brackets . Always confirm with the Oklahoma taxing agency before filing.