Personal Income Tax in Oklahoma

If you are a resident or nonresident of Oklahoma and receive taxable income individually from property owned or business transacted in Oklahoma, you are subject to tax on net income. Therefore, if you are operating your business as an S corporation, partnership, limited liability company, or sole proprietorship, you will be subject to a personal income tax on your business income that passes through to you.

In Oklahoma, the following rates are effective for 2010:

Single or Married Filing Separately
Taxable Income	Tax Rate
$0 up to $1,000	0.5% of Taxable Income
$1,000 up to $2,500	$5.00 plus 1% over $1,000
$2,500 up to $3,750	$20.00 plus 2% over $2,500
$3,750 up to $4,900	$45.00 plus 3% over $3,750
$4,900 up to $7,200	$79.50 plus 4% over $4,900
$7,200 up to $8,700	$171.50 plus 5% over $7,200
$8,700 and over	$246.50 plus 5.5% over $8,700

Husband and Wife Filing Joint Returns, Qualifying Widow(er), and Head of Household
0 up to $2,000	0.5% of Taxable Income
$2,000 up to $5,000	$10.00 plus 1% over $2,000
$5,000 up to $7,500	$40.00 plus 2% over $5,000
$7,500 up to $9,800	$90.00 plus 3% over $7,500
$9,800 up to $12,200	$159.00 plus 4% over $9,800
$12,200 up to $15,000	$255.00 plus 5% over $12,200
$15,000 and over	$395.00 plus 5.5% over $15,000

Individual income tax returns are due on the 15th day of the fourth month following the close of the taxable year (April 15 for calendar-year taxpayers).