The 2024 Oregon Democratic presidential primary was held on May 21, 2024, as part of the Democratic Party primaries for the 2024 presidential election. 78 delegates to the Democratic National Convention were allocated to Biden. Incumbent President Joe Biden won the primary.
Incumbent President Joe Biden announced on April 25, 2023, his bid for a second term. He faced a primary challenge from author, progressive activist, and 2020 presidential candidate MarianneÃÂ Williamson.