Oregon Progressive Party was created in 2007.
Oregon Republican Party was created in 1859.
Democratic Party of Oregon was created in 1851.
Constitution Party of Oregon was created in 2000.
Working Families Party of Oregon was created in 2006.
Oregon Star Party was created on 1987-12-15.
Independent American Party was created in 1998.
Independent Turkey Party was created in 2001.
Independent-Socialist Party was created in 1958.
Independent Labour Party was created in 1893.
Independent Civil Party was created in 1911.
Independent People's Party was created in 1880.