Incumbent Democratic senior Senator Ron Wyden won re-election to a fourth full term in office.

This election determined who would fill the remaining two years of the term of Democratic governor John Kitzhaber, who was re-elected in 2014 and resigned in 2015.

Incumbent Democratic Secretary of State Jeanne Atkins declined to seek election; she was appointed in March 2015 following Kate Brown's ascension to the governorship.

[6] Dennis Richardson (R) defeated Brad Avakian (D), to become the first (and as of 2024, only) Republican to win a statewide election in Oregon since 2002.

[4] [4] [4] Incumbent treasurer Ted Wheeler (D) was term-limited and successfully ran for mayor of Portland.