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Oregon edges closer to âkickerâ refund. The latest forecast of Oregon tax revenue is increasing speculation taxpayers could see a kicker refund. If Democratic Gov. John Kitzhaber is re-elected, he will base his budget on the Nov. 13 forecast.
Personal income tax. Oregon collects state income taxes using a progressive, five-bracket system. For single taxpayers and married couples filing separate returns: 1  5 percent on the first $3,300 of taxable income. 2  7 percent on taxable income between $3,301 and $8,250.