Quick answer
Oklahoma taxes income in 3 brackets from 2.50% to 4.50% for 2026; for single filers the top rate starts above $7,200. The single-filer standard deduction is $6,350 and the personal exemption is $1,000, per the Tax Foundation's compilation of state law as of January 1, 2026.
Data as of 2026-01-01. Source: Tax Foundation (state statutes, Jan 1 2026)
| Single rate | Single: income over | Married-joint rate | Married-joint: income over |
|---|---|---|---|
| 2.50% | $3,750 | 2.50% | $7,500 |
| 3.50% | $4,900 | 3.50% | $9,800 |
| 4.50% | $7,200 | 4.50% | $14,400 |
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Last updated 2026-10-16. Data only, not financial or tax advice.