A blue state, although not as strongly as neighboring California and Washington, Oregon is part of the Democratic-leaning West Coast, and was predicted to go comfortably for Democrat Kamala Harris (from neighboring California) in 2024.

The Oregon Republican primary was held on May 21, 2024, the same date as the Kentucky caucuses.

The following candidates' nominations were accepted by the Oregon Secretary of State: The Republican Party issued a legal challenge to Libertarian party ballot access that was rejected by the Secretary of State.

[7] In the early hours of October 28, an incendiary device was placed in a ballot drop box in Portland.

[26][user-generated source] Trump flipped back Marion County, after losing it in 2020 but winning it in 2016.