On February 1, the Oregon Secretary of State posted new registration data. See it here. The percentages are: Democratic 35.52%; Republican 25.52%; Independent Party 4.68%; Libertarian .74%; Working Families .29%; Green .27%; Constitution .13%; Progressive .10%; miscellaneous and independent 32.74%.

In September 2020, the percentages were: Democratic 35.67%; Republican 25.67%; Independent Party 4.47%; Libertarian .72%; Working Families .30%; Green .27%; Constitution .13%; Progressive .09%; independent and miscellaneous 32.67%.