List of United States senators from Oregon
was admitted to the Union on February 14, 1859. Its current U.S. senators are Democrats Ron Wyden and Jeff Merkley. Wyden is Oregon's longest-serving senator.
Before 1906, U.S. senators were elected by the Oregon Legislative Assembly. In 1904, Oregon voters passed a ballot measure that required U.S. senators to be selected by a popular vote and then endorsed by the state legislature. Beginning in 1914, U.S. senators were directly elected by popular vote based on the 17th Amendment to the United States Constitution.
List of senators
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