Oklahoma Income Tax Rate 2017 - 2018

Oklahoma state income tax rate table for the 2017 - 2018 filing season has six income tax brackets with OK tax rates of 0.5%, 1%, 2%, 3%, 4% and 5% for Single, Married Filing Jointly, Married Filing Separately, and Head of Household statuses. The Oklahoma tax rate and brackets are unchanged from last year.

Oklahoma income tax rate and tax brackets shown in the table below are based on income earned between January 1, 2017 through December 31, 2017. Outlook for the 2018 Oklahoma income tax rate is to remain unchanged.

Single Tax BracketsTax Rate 2017
Source: 2017 Oklahoma Tax Rates and Tax Brackets, published by the Oklahoma Tax Commission.
$0to$1,0000.5%
$1,001to$2,5001%
$2,501to$3,7502%
$3,751to$4,9003%
$4,901to$7,2004%
$7,201to5%
Married Filing Jointly BracketsTax Rate 2017
Source: 2017 Oklahoma Tax Rates and Tax Brackets, published by the Oklahoma Tax Commission.
$0to$2,0000.5%
$2,001to$5,0001%
$5,001to$7,5002%
$7,501to$9,8003%
$9,801to$12,2004%
$12,201to5%
Married Filing Separately BracketsTax Rate 2017
Source: 2017 Oklahoma Tax Rates and Tax Brackets, published by the Oklahoma Tax Commission.
$0to$1,0000.5%
$1,001to$2,5001%
$2,501to$3,7502%
$3,751to$4,9003%
$4,901to$7,2004%
$7,201to5%
Head of Household BracketsTax Rate 2017
Source: 2017 Oklahoma Tax Rates and Tax Brackets, published by the Oklahoma Tax Commission.
$0to$2,0000.5%
$2,001to$5,0001%
$5,001to$7,5002%
$7,501to$9,8003%
$9,801to$12,2004%
$12,201to5%

Please reference the Oklahoma tax forms and instructions booklet published by the Oklahoma Tax Commission to determine if you owe state income tax or are due a state income tax refund. Oklahoma income tax forms are generally published at the end of each calendar year, which will include any last minute 2017 - 2018 legislative changes to the OK tax rate or tax brackets. The Oklahoma income tax rate tables and tax brackets shown on this web page are for illustration purposes only.

Oklahoma Tax Brackets 2017 - 2018

Looking at the tax rate and tax brackets shown in the tables above for Oklahoma, we can see that Oklahoma collects individual income taxes differently for Single versus Married filing statuses, for example. We can also see the progressive nature of Oklahoma state income tax rates from the lowest OK tax rate bracket of 0.5% to the highest OK tax rate bracket of 5%.

For single taxpayers living and working in the state of Oklahoma:

  • Tax rate of 0.5% on the first $1,000 of taxable income.
  • Tax rate of 1% on taxable income between $1,001 and $2,500.
  • Tax rate of 2% on taxable income between $2,501 and $3,750.
  • Tax rate of 3% on taxable income between $3,751 and $4,900.
  • Tax rate of 4% on taxable income between $4,901 and $7,200.
  • Tax rate of 5% on taxable income over $7,200.

For married taxpayers living and working in the state of Oklahoma:

  • Tax rate of 0.5% on the first $2,000 of taxable income.
  • Tax rate of 1% on taxable income between $2,001 and $5,000.
  • Tax rate of 2% on taxable income between $5,001 and $7,500.
  • Tax rate of 3% on taxable income between $7,501 and $9,800.
  • Tax rate of 4% on taxable income between $9,801 and $12,200.
  • Tax rate of 5% on taxable income over $12,200.

For the Single, Married Filing Jointly, Married Filing Separately, and Head of Household filing statuses, the OK tax rates and the number of tax brackets remain the same. Notice, however, the Oklahoma income tax brackets for Married Filing Jointly increase from $1,000 to $2,000 at 1%, and increase from $7,200 to $12,200 at 5% the highest tax bracket. For the first five income tax brackets, Married Filing Separately taxable income ranges are one half that of Married Filing Jointly in the state of Oklahoma.

Last updated: October 25, 2017