Results are estimates for educational purposes only. Based on 2026 IRS federal brackets and Oklahoma state tax rates. Always consult a qualified tax professional.
Oklahoma income tax overview
Oklahoma has a progressive income tax with a top rate of 4.75%, applying to income over $7,200 for single filers. Because the top bracket kicks in at such a low threshold, most Oklahoma workers effectively pay close to the top rate on most of their income. Oklahoma follows federal standard deduction rules, giving residents the full $15,000 deduction in 2026. The state's economy is heavily tied to oil and gas, agriculture, and aerospace. Oklahoma City and Tulsa are growing metros attracting technology and healthcare employers. Oklahoma has been discussing further income tax reductions as part of broader fiscal reform.
2026 Oklahoma income tax rates
Tax rate
Income range (single filer)
0.25%
$0 – $1,000
0.75%
$1,001 – $2,500
1.75%
$2,501 – $3,750
2.75%
$3,751 – $4,900
3.75%
$4,901 – $7,200
4.75%
Over $7,200
Worked example: $75,000 salary in Oklahoma
A $75,000 salary in Oklahoma results in approximately $2,852 in state income tax (effective ~3.8% after standard deduction), plus $12,580 federal tax, $4,650 Social Security, and $1,088 Medicare. Annual take-home is approximately $54,030, or $2,078 bi-weekly.
Key facts: 4.75% top rate · Follows federal standard deduction · No local income tax
Frequently asked questions — Oklahoma income tax
No. Oklahoma does not tax Social Security benefits.
Yes. Oklahoma conforms to most federal income tax provisions including the standard deduction ($15,000 for single filers in 2026), making filing relatively straightforward for most residents.
No. Oklahoma cities and counties do not levy local income taxes.
Oklahoma allows a $10,000 exemption per taxpayer on retirement income including pensions, 401k distributions, and IRA withdrawals for taxpayers aged 65 and older. This provides meaningful relief for retirees.
Oklahoma has been debating further income tax cuts. The state benefits from oil and gas severance tax revenue that can buffer income tax reductions, and there is ongoing legislative interest in reducing the top rate below 4.75%.