Oregon Legislature Enacts Slew of Tax Hikes, Including “Millionaires’ Tax” July 9, 2009 TF Staff TF Staff The new tax laws passed by the Oregon legislature and awaiting the governor’s signature are “short-sighted political patchwork,” according to a new Tax Foundation study by Tax Foundation Researcher Jack Mountjoy and Director of State Projects Joseph Henchman. State lawmakers have added two new personal income tax rates: a 10.8% rate on singles with taxable income over $125,000 (couples over $250,000) and an 11% rate on incomes twice that high. Both are retroactive to January 1, 2009. Read the new Tax Foundation Fiscal Fact. Read more about Oregon’s tax system. Stay informed on the tax policies impacting you. Subscribe to get insights from our trusted experts delivered straight to your inbox. Subscribe Share Tweet Share Email Topics Oregon Individual Income and Payroll Taxes Tags Millionaires and High Income Earners State Tax and Spending Policy Tax Brackets